diff --git a/CHANGELOG.md b/CHANGELOG.md
index 817a82908812..c61d11a6d03a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -164,7 +164,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/gov) [#13160](https://github.com/cosmos/cosmos-sdk/pull/13160) Remove custom marshaling of proposl and voteoption.
 * (types) [#13430](https://github.com/cosmos/cosmos-sdk/pull/13430) Remove unused code `ResponseCheckTx` and `ResponseDeliverTx`
 * (store) [#13529](https://github.com/cosmos/cosmos-sdk/pull/13529) Add method `LatestVersion` to `MultiStore` interface, add method `SetQueryMultiStore` to baesapp to support alternative `MultiStore` implementation for query service.
-* (pruning) [#13609]](https://github.com/cosmos/cosmos-sdk/pull/13609) Move pruning package to be under store package
+* (pruning) [#13609](https://github.com/cosmos/cosmos-sdk/pull/13609) Move pruning package to be under store package
 * [#13794](https://github.com/cosmos/cosmos-sdk/pull/13794) Most methods on `types/module.AppModule` have been moved to 
 extension interfaces. `module.Manager.Modules` is now of type `map[string]interface{}` to support in parallel the new 
 `cosmossdk.io/core/appmodule.AppModule` API.
@@ -176,9 +176,10 @@ extension interfaces. `module.Manager.Modules` is now of type `map[string]interf
 
 ### Bug Fixes
 
+* (x/group) [#13869](https://github.com/cosmos/cosmos-sdk/pull/13869) Group members weight must be positive and a finite number.
 * (x/auth) [#13838](https://github.com/cosmos/cosmos-sdk/pull/13838) Fix calling `String()` and `MarshalYAML` panics when pubkey is set on a `BaseAccount`. 
 * (rosetta) [#13583](https://github.com/cosmos/cosmos-sdk/pull/13583) Misc fixes for cosmos-rosetta.
-* (x/evidence) [#13740](https://github.com/cosmos/cosmos-sdk/pull/13740)  Fix evidence query API to decode the hash properly.
+* (x/evidence) [#13740](https://github.com/cosmos/cosmos-sdk/pull/13740) Fix evidence query API to decode the hash properly.
 * (bank) [#13691](https://github.com/cosmos/cosmos-sdk/issues/13691) Fix unhandled error for vesting account transfers, when total vesting amount exceeds total balance.
 * [#13553](https://github.com/cosmos/cosmos-sdk/pull/13553) Ensure all parameter validation for decimal types handles nil decimal values.
 * [#13145](https://github.com/cosmos/cosmos-sdk/pull/13145) Fix panic when calling `String()` to a Record struct type.
diff --git a/api/cosmos/tx/v1beta1/service.pulsar.go b/api/cosmos/tx/v1beta1/service.pulsar.go
index e4e25547d5e4..172dd0f880a8 100644
--- a/api/cosmos/tx/v1beta1/service.pulsar.go
+++ b/api/cosmos/tx/v1beta1/service.pulsar.go
@@ -7918,6 +7918,8 @@ func (x *GetBlockWithTxsResponse) GetPagination() *v1beta1.PageResponse {
 
 // TxDecodeRequest is the request type for the Service.TxDecode
 // RPC method.
+//
+// Since: cosmos-sdk 0.47
 type TxDecodeRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -7956,6 +7958,8 @@ func (x *TxDecodeRequest) GetTxBytes() []byte {
 
 // TxDecodeResponse is the response type for the
 // Service.TxDecode method.
+//
+// Since: cosmos-sdk 0.47
 type TxDecodeResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -7994,6 +7998,8 @@ func (x *TxDecodeResponse) GetTx() *Tx {
 
 // TxEncodeResponse is the request type for the Service.TxEncode
 // RPC method.
+//
+// Since: cosmos-sdk 0.47
 type TxEncodeRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -8032,6 +8038,8 @@ func (x *TxEncodeRequest) GetTx() *Tx {
 
 // TxEncodeResponse is the response type for the
 // Service.TxEncode method.
+//
+// Since: cosmos-sdk 0.47
 type TxEncodeResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -8174,45 +8182,69 @@ var file_cosmos_tx_v1beta1_service_proto_rawDesc = []byte{
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@@ -8224,16 +8256,16 @@ var file_cosmos_tx_v1beta1_service_proto_rawDesc = []byte{
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diff --git a/types/tx/service.pb.go b/types/tx/service.pb.go
index 55be6c3cc958..bfd20e436e59 100644
--- a/types/tx/service.pb.go
+++ b/types/tx/service.pb.go
@@ -716,6 +716,8 @@ func (m *GetBlockWithTxsResponse) GetPagination() *query.PageResponse {
 
 // TxDecodeRequest is the request type for the Service.TxDecode
 // RPC method.
+//
+// Since: cosmos-sdk 0.47
 type TxDecodeRequest struct {
 	// tx_bytes is the raw transaction.
 	TxBytes []byte `protobuf:"bytes,1,opt,name=tx_bytes,json=txBytes,proto3" json:"tx_bytes,omitempty"`
@@ -763,6 +765,8 @@ func (m *TxDecodeRequest) GetTxBytes() []byte {
 
 // TxDecodeResponse is the response type for the
 // Service.TxDecode method.
+//
+// Since: cosmos-sdk 0.47
 type TxDecodeResponse struct {
 	// tx is the decoded transaction.
 	Tx *Tx `protobuf:"bytes,1,opt,name=tx,proto3" json:"tx,omitempty"`
@@ -810,6 +814,8 @@ func (m *TxDecodeResponse) GetTx() *Tx {
 
 // TxEncodeResponse is the request type for the Service.TxEncode
 // RPC method.
+//
+// Since: cosmos-sdk 0.47
 type TxEncodeRequest struct {
 	// tx is the transaction to encode.
 	Tx *Tx `protobuf:"bytes,1,opt,name=tx,proto3" json:"tx,omitempty"`
@@ -857,6 +863,8 @@ func (m *TxEncodeRequest) GetTx() *Tx {
 
 // TxEncodeResponse is the response type for the
 // Service.TxEncode method.
+//
+// Since: cosmos-sdk 0.47
 type TxEncodeResponse struct {
 	// tx_bytes is the encoded transaction bytes.
 	TxBytes []byte `protobuf:"bytes,1,opt,name=tx_bytes,json=txBytes,proto3" json:"tx_bytes,omitempty"`
@@ -924,71 +932,76 @@ func init() {
 func init() { proto.RegisterFile("cosmos/tx/v1beta1/service.proto", fileDescriptor_e0b00a618705eca7) }
 
 var fileDescriptor_e0b00a618705eca7 = []byte{
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+	0xaa, 0xa7, 0xaa, 0xa7, 0x4a, 0x3d, 0xf4, 0x5f, 0xea, 0x31, 0x52, 0x2f, 0xed, 0xad, 0xb2, 0x7b,
+	0xea, 0xa9, 0x7f, 0x42, 0xb4, 0xb3, 0x03, 0xec, 0xc2, 0x6e, 0xb0, 0x73, 0xb1, 0x67, 0x98, 0xef,
+	0xbd, 0xef, 0x7b, 0x6f, 0x66, 0xbe, 0x1d, 0xd8, 0x69, 0x98, 0xa4, 0x6b, 0x12, 0x85, 0x5a, 0xca,
+	0xe9, 0x83, 0x3a, 0xa6, 0xda, 0x03, 0x85, 0xe0, 0xfe, 0xa9, 0xde, 0xc0, 0x72, 0xaf, 0x6f, 0x52,
+	0x13, 0xdd, 0x72, 0x00, 0x32, 0xb5, 0x64, 0x0e, 0x48, 0x6e, 0xb7, 0x4c, 0xb3, 0xd5, 0xc1, 0x8a,
+	0xd6, 0xd3, 0x15, 0xcd, 0x30, 0x4c, 0xaa, 0x51, 0xdd, 0x34, 0x88, 0x13, 0x90, 0xbc, 0xcb, 0x33,
+	0xd6, 0x35, 0x82, 0x15, 0xad, 0xde, 0xd0, 0xc7, 0x89, 0xed, 0x09, 0x07, 0x25, 0x67, 0x69, 0xa9,
+	0xc5, 0xd7, 0x0e, 0xdd, 0x09, 0x4e, 0x06, 0xb8, 0x3f, 0x1c, 0x63, 0x7a, 0x5a, 0x4b, 0x37, 0x18,
+	0x1b, 0xc7, 0x6e, 0x53, 0x6c, 0x34, 0x71, 0xbf, 0xab, 0x1b, 0x54, 0xa1, 0xc3, 0x1e, 0x26, 0x4a,
+	0xbd, 0x63, 0x36, 0x5e, 0x07, 0xae, 0xb2, 0xbf, 0xce, 0xaa, 0xf4, 0xb7, 0x00, 0xa8, 0x88, 0x69,
+	0xd5, 0x22, 0x85, 0x53, 0x6c, 0x50, 0x15, 0x9f, 0x0c, 0x30, 0xa1, 0x68, 0x03, 0x96, 0xb0, 0x3d,
+	0x27, 0x09, 0x21, 0x1d, 0x3a, 0xb8, 0xa1, 0xf2, 0x19, 0xfa, 0x0a, 0x60, 0x42, 0x9f, 0x10, 0xd3,
+	0xc2, 0x41, 0x2c, 0xb3, 0x27, 0xf3, 0xee, 0xd8, 0x5a, 0x65, 0xa6, 0x75, 0xd4, 0x25, 0xf9, 0xb9,
+	0xd6, 0xc2, 0x3c, 0x67, 0x56, 0x4c, 0x08, 0xaa, 0x2b, 0x1a, 0x7d, 0x02, 0x51, 0xb3, 0xdf, 0xc4,
+	0xfd, 0x5a, 0x7d, 0x98, 0x08, 0xa5, 0x85, 0x83, 0x9b, 0x99, 0xa4, 0x3c, 0xd3, 0x67, 0xb9, 0x6c,
+	0x43, 0xb2, 0x43, 0x35, 0x62, 0x3a, 0x03, 0x84, 0x20, 0xdc, 0xd3, 0x5a, 0x38, 0x11, 0x4e, 0x0b,
+	0x07, 0x61, 0x95, 0x8d, 0xd1, 0x3a, 0x2c, 0x76, 0xf4, 0xae, 0x4e, 0x13, 0x8b, 0xec, 0x47, 0x67,
+	0x22, 0xfd, 0x27, 0xc0, 0x9a, 0xa7, 0x36, 0xd2, 0x33, 0x0d, 0x82, 0xd1, 0x3e, 0x84, 0xa8, 0xe5,
+	0x54, 0x16, 0xcb, 0x7c, 0xe0, 0xc3, 0x59, 0xb5, 0x54, 0x1b, 0x81, 0x8a, 0xb0, 0x4c, 0xad, 0x5a,
+	0x9f, 0xc7, 0x91, 0x84, 0xc8, 0x22, 0xee, 0x79, 0xea, 0x65, 0xfb, 0xe9, 0x0a, 0xe4, 0x60, 0x35,
+	0x46, 0xc7, 0x63, 0x82, 0x9e, 0x78, 0xda, 0x16, 0x62, 0x6d, 0xdb, 0x9f, 0xdb, 0x36, 0x27, 0x7a,
+	0xa6, 0x6f, 0xeb, 0xb0, 0x48, 0x4d, 0xaa, 0x75, 0x78, 0x07, 0x9c, 0x89, 0x84, 0x01, 0x65, 0xfb,
+	0xa6, 0xd6, 0x6c, 0x68, 0x84, 0xda, 0x32, 0x9c, 0x7d, 0xdc, 0x82, 0x28, 0xb5, 0x6a, 0xf5, 0x21,
+	0xc5, 0x76, 0xbd, 0xc2, 0xc1, 0xb2, 0x1a, 0xa1, 0x56, 0xd6, 0x9e, 0xa2, 0x87, 0x10, 0xee, 0x9a,
+	0x4d, 0xcc, 0x36, 0xf1, 0x66, 0x26, 0xed, 0xd3, 0x86, 0x71, 0xbe, 0xa7, 0x66, 0x13, 0xab, 0x0c,
+	0x2d, 0x7d, 0x07, 0x6b, 0x1e, 0x1a, 0xde, 0xd2, 0x02, 0xc4, 0x5c, 0x9d, 0x62, 0x54, 0x57, 0x6d,
+	0x14, 0x4c, 0x1a, 0x25, 0xbd, 0x80, 0xd5, 0x8a, 0xde, 0x1d, 0x74, 0x34, 0x3a, 0x3a, 0x35, 0xe8,
+	0x3e, 0x88, 0xd4, 0xe2, 0x09, 0xfd, 0xf7, 0x8a, 0x35, 0x48, 0xa4, 0x96, 0xa7, 0x58, 0xd1, 0x53,
+	0xac, 0xf4, 0x8b, 0x00, 0xf1, 0x49, 0x66, 0x2e, 0xfa, 0x73, 0x88, 0xb6, 0x34, 0x52, 0xd3, 0x8d,
+	0x57, 0x26, 0x27, 0xb8, 0x13, 0xac, 0xb8, 0xa8, 0x91, 0x92, 0xf1, 0xca, 0x54, 0x23, 0x2d, 0x67,
+	0x80, 0x1e, 0xc1, 0x52, 0x1f, 0x93, 0x41, 0x87, 0xf2, 0x6b, 0x90, 0x0e, 0x8e, 0x55, 0x19, 0x4e,
+	0xe5, 0x78, 0x49, 0x82, 0x65, 0x76, 0x2c, 0x47, 0x25, 0x22, 0x08, 0xb7, 0x35, 0xd2, 0x66, 0x1a,
+	0x6e, 0xa8, 0x6c, 0x2c, 0x9d, 0xc3, 0x0a, 0xc7, 0x70, 0xb1, 0xbb, 0x73, 0xfb, 0xc0, 0x7a, 0x30,
+	0xb5, 0x11, 0xe2, 0x7b, 0x6e, 0x84, 0x05, 0x1b, 0x45, 0x4c, 0xb3, 0xb6, 0x8d, 0xbc, 0xd0, 0x69,
+	0xbb, 0x6a, 0x11, 0x97, 0x33, 0xb4, 0xb1, 0xde, 0x6a, 0x53, 0xa6, 0x25, 0xa4, 0xf2, 0x19, 0x7a,
+	0xfc, 0xfe, 0xce, 0xe0, 0x3e, 0xdd, 0xd2, 0xff, 0x02, 0x6c, 0xce, 0x50, 0x5f, 0xf7, 0xe2, 0x3e,
+	0x84, 0x28, 0xb3, 0xc0, 0x9a, 0xde, 0xe4, 0x52, 0xb6, 0xe4, 0x89, 0x0d, 0xca, 0x8e, 0x01, 0x32,
+	0x8a, 0x52, 0x5e, 0x8d, 0x30, 0x68, 0xa9, 0x89, 0x8e, 0x60, 0x91, 0x0d, 0xf9, 0x05, 0xdd, 0x0c,
+	0x08, 0x51, 0x1d, 0x14, 0x2a, 0x7a, 0x2a, 0x0e, 0x5f, 0xeb, 0x52, 0x7b, 0x4a, 0xfe, 0x08, 0x56,
+	0xab, 0x56, 0x1e, 0x37, 0xec, 0x5b, 0x36, 0xf7, 0xde, 0x4a, 0x9f, 0x42, 0x7c, 0x82, 0xbe, 0xd6,
+	0xe1, 0x90, 0x1e, 0xd9, 0x44, 0x05, 0xc3, 0x4d, 0x74, 0xc5, 0xc8, 0x23, 0x9b, 0x74, 0x14, 0xc9,
+	0x49, 0x83, 0x35, 0x1e, 0x7e, 0x09, 0x11, 0xee, 0xdb, 0x28, 0x01, 0xeb, 0x65, 0x35, 0x5f, 0x50,
+	0x6b, 0xd9, 0x97, 0xb5, 0x6f, 0x9e, 0x55, 0x9e, 0x17, 0x72, 0xa5, 0xc7, 0xa5, 0x42, 0x3e, 0xbe,
+	0x80, 0xe2, 0xb0, 0x3c, 0x5e, 0x39, 0xae, 0xe4, 0xe2, 0x02, 0xba, 0x05, 0x2b, 0xe3, 0x5f, 0xf2,
+	0x85, 0x4a, 0x2e, 0x2e, 0x1e, 0xfe, 0x28, 0xc0, 0x8a, 0xc7, 0x87, 0x50, 0x0a, 0x92, 0x59, 0xb5,
+	0x7c, 0x9c, 0xcf, 0x1d, 0x57, 0xaa, 0xb5, 0xa7, 0xe5, 0x7c, 0x61, 0x2a, 0xed, 0x36, 0xac, 0x4f,
+	0xad, 0x67, 0xbf, 0x2e, 0xe7, 0x9e, 0xc4, 0x85, 0xa4, 0x18, 0x15, 0xd0, 0x26, 0xac, 0x4d, 0xad,
+	0x56, 0x5e, 0x3e, 0xcb, 0xc5, 0x45, 0x5b, 0xe7, 0xd4, 0xc2, 0x31, 0x5b, 0x09, 0x65, 0x7e, 0x8e,
+	0x40, 0xa4, 0xe2, 0x3c, 0x07, 0xd0, 0x19, 0x44, 0x47, 0x36, 0x82, 0x24, 0x9f, 0x76, 0x4d, 0xb9,
+	0x57, 0xf2, 0xee, 0x3b, 0x31, 0xfc, 0xb2, 0xed, 0xfd, 0xf4, 0xe7, 0xbf, 0xbf, 0x89, 0xe9, 0xcf,
+	0x84, 0x43, 0xe9, 0xb6, 0xe2, 0xf3, 0x14, 0x19, 0x11, 0x9e, 0xc0, 0x22, 0xf3, 0x04, 0xb4, 0xe3,
+	0x93, 0xd5, 0xed, 0x28, 0xc9, 0x74, 0x30, 0x80, 0x73, 0xee, 0x32, 0xce, 0x1d, 0xf4, 0xa1, 0xe2,
+	0xf7, 0x08, 0x21, 0xca, 0x99, 0xed, 0x42, 0xe7, 0xe8, 0x07, 0x88, 0xb9, 0xec, 0x1e, 0xed, 0xbe,
+	0xeb, 0x2b, 0x31, 0xa1, 0xdf, 0x9b, 0x07, 0xe3, 0x22, 0xee, 0x30, 0x11, 0xb7, 0xed, 0xc2, 0x37,
+	0xfc, 0x75, 0xa0, 0xef, 0x21, 0xe6, 0xfa, 0x84, 0xfb, 0x0a, 0x98, 0x7d, 0xbe, 0xf8, 0x0a, 0xf0,
+	0x79, 0x09, 0x48, 0x29, 0x26, 0x20, 0x81, 0x82, 0xd8, 0x7f, 0x17, 0x60, 0x75, 0xca, 0x8c, 0xd0,
+	0x7d, 0xff, 0xdc, 0x3e, 0x5e, 0x99, 0x3c, 0xbc, 0x0a, 0x94, 0x4b, 0x39, 0x62, 0x52, 0xf6, 0xd1,
+	0x6e, 0xc0, 0x86, 0x30, 0xcf, 0x51, 0xce, 0x1c, 0xb7, 0x3d, 0x47, 0x43, 0x88, 0x8e, 0x5c, 0xc0,
+	0xf7, 0x20, 0x4e, 0x19, 0x8a, 0xef, 0x41, 0x9c, 0xb6, 0x11, 0xe9, 0x1e, 0xd3, 0x90, 0xb2, 0xf7,
+	0x63, 0xcb, 0x47, 0x46, 0xd3, 0xa1, 0x63, 0xd4, 0x8e, 0x17, 0x04, 0x50, 0x7b, 0x2c, 0x26, 0x80,
+	0xda, 0x6b, 0x26, 0xf3, 0xa8, 0x31, 0x43, 0x67, 0xbf, 0xf8, 0xe3, 0x22, 0x25, 0xbc, 0xb9, 0x48,
+	0x09, 0xff, 0x5c, 0xa4, 0x84, 0x5f, 0x2f, 0x53, 0x0b, 0x6f, 0x2e, 0x53, 0x0b, 0x7f, 0x5d, 0xa6,
+	0x16, 0xbe, 0xdd, 0x6d, 0xe9, 0xb4, 0x3d, 0xa8, 0xcb, 0x0d, 0xb3, 0x3b, 0x0a, 0x77, 0xfe, 0x1d,
+	0x91, 0xe6, 0xeb, 0xd1, 0xbb, 0xd7, 0xaa, 0x2f, 0xb1, 0x57, 0xef, 0xc7, 0x6f, 0x03, 0x00, 0x00,
+	0xff, 0xff, 0x5a, 0x05, 0x27, 0x51, 0xf2, 0x0b, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
diff --git a/x/group/internal/math/dec.go b/x/group/internal/math/dec.go
index 07d789e4cb46..3755304ccacd 100644
--- a/x/group/internal/math/dec.go
+++ b/x/group/internal/math/dec.go
@@ -1,4 +1,4 @@
-// Package math provides helper functions for doing mathematical calculations and parsing for the ecocredit module.
+// Package math provides helper functions for doing mathematical calculations and parsing for the group module.
 package math
 
 import (
@@ -46,11 +46,22 @@ func (x Dec) IsPositive() bool {
 	return !x.dec.Negative && !x.dec.IsZero()
 }
 
+func (x Dec) IsFinite() bool {
+	return x.dec.Form != apd.Finite
+}
+
+// NewDecFromString returns a new Dec from a string
+// It only support finite numbers, not NaN, +Inf, -Inf
 func NewDecFromString(s string) (Dec, error) {
 	d, _, err := apd.NewFromString(s)
 	if err != nil {
 		return Dec{}, errors.ErrInvalidDecString.Wrap(err.Error())
 	}
+
+	if d.Form != apd.Finite {
+		return Dec{}, errors.ErrInvalidDecString.Wrapf("expected a finite decimal, got %s", s)
+	}
+
 	return Dec{*d}, nil
 }
 
diff --git a/x/group/internal/math/dec_test.go b/x/group/internal/math/dec_test.go
index 4c9fcc6cc656..c524716934ca 100644
--- a/x/group/internal/math/dec_test.go
+++ b/x/group/internal/math/dec_test.go
@@ -54,6 +54,14 @@ func TestDec(t *testing.T) {
 	require.NoError(t, err)
 	minusFivePointZero, err := NewDecFromString("-5.0")
 	require.NoError(t, err)
+	_, err = NewDecFromString("inf")
+	require.Error(t, err)
+	_, err = NewDecFromString("Infinite")
+	require.Error(t, err)
+	_, err = NewDecFromString("foo")
+	require.Error(t, err)
+	_, err = NewDecFromString("NaN")
+	require.Error(t, err)
 
 	res, err := two.Add(zero)
 	require.NoError(t, err)
diff --git a/x/group/keeper/keeper.go b/x/group/keeper/keeper.go
index 234a0ba359c7..3c4b4baa191b 100644
--- a/x/group/keeper/keeper.go
+++ b/x/group/keeper/keeper.go
@@ -382,7 +382,6 @@ func (k Keeper) PruneProposals(ctx sdk.Context) error {
 // TallyProposalsAtVPEnd iterates over all proposals whose voting period
 // has ended, tallies their votes, prunes them, and updates the proposal's
 // `FinalTallyResult` field.
-
 func (k Keeper) TallyProposalsAtVPEnd(ctx sdk.Context) error {
 	proposals, err := k.proposalsByVPEnd(ctx, ctx.BlockTime())
 	if err != nil {
@@ -409,8 +408,7 @@ func (k Keeper) TallyProposalsAtVPEnd(ctx sdk.Context) error {
 				return err
 			}
 		} else {
-			err = k.doTallyAndUpdate(ctx, &proposal, electorate, policyInfo)
-			if err != nil {
+			if err := k.doTallyAndUpdate(ctx, &proposal, electorate, policyInfo); err != nil {
 				return sdkerrors.Wrap(err, "doTallyAndUpdate")
 			}
 
diff --git a/x/group/keeper/keeper_test.go b/x/group/keeper/keeper_test.go
index a67390083793..017c1981346a 100644
--- a/x/group/keeper/keeper_test.go
+++ b/x/group/keeper/keeper_test.go
@@ -253,6 +253,26 @@ func (s *TestSuite) TestCreateGroup() {
 			},
 			expErr: true,
 		},
+		"invalid member weight - Inf": {
+			req: &group.MsgCreateGroup{
+				Admin: addr1.String(),
+				Members: []group.MemberRequest{{
+					Address: addr3.String(),
+					Weight:  "inf",
+				}},
+			},
+			expErr: true,
+		},
+		"invalid member weight - NaN": {
+			req: &group.MsgCreateGroup{
+				Admin: addr1.String(),
+				Members: []group.MemberRequest{{
+					Address: addr3.String(),
+					Weight:  "NaN",
+				}},
+			},
+			expErr: true,
+		},
 	}
 
 	var seq uint32 = 1
diff --git a/x/group/keeper/msg_server.go b/x/group/keeper/msg_server.go
index fd144525cc34..2320b417ca4c 100644
--- a/x/group/keeper/msg_server.go
+++ b/x/group/keeper/msg_server.go
@@ -687,15 +687,13 @@ func (k Keeper) doTallyAndUpdate(ctx sdk.Context, p *group.Proposal, electorate
 
 	sinceSubmission := ctx.BlockTime().Sub(p.SubmitTime) // duration passed since proposal submission.
 	result, err := policy.Allow(tallyResult, electorate.TotalWeight, sinceSubmission)
-	// If the result was final (i.e. enough votes to pass) or if the voting
-	// period ended, then we consider the proposal as final.
-	isFinal := result.Final || ctx.BlockTime().After(p.VotingPeriodEnd)
-
-	switch {
-	case err != nil:
+	if err != nil {
 		return sdkerrors.Wrap(err, "policy allow")
+	}
 
-	case isFinal:
+	// If the result was final (i.e. enough votes to pass) or if the voting
+	// period ended, then we consider the proposal as final.
+	if isFinal := result.Final || ctx.BlockTime().After(p.VotingPeriodEnd); isFinal {
 		if err := k.pruneVotes(ctx, p.Id); err != nil {
 			return err
 		}
diff --git a/x/group/module/abci.go b/x/group/module/abci.go
index 4e3817f804b1..22809b61d60e 100644
--- a/x/group/module/abci.go
+++ b/x/group/module/abci.go
@@ -9,12 +9,8 @@ func EndBlocker(ctx sdk.Context, k keeper.Keeper) {
 	if err := k.TallyProposalsAtVPEnd(ctx); err != nil {
 		panic(err)
 	}
-	pruneProposals(ctx, k)
-}
 
-func pruneProposals(ctx sdk.Context, k keeper.Keeper) {
-	err := k.PruneProposals(ctx)
-	if err != nil {
+	if err := k.PruneProposals(ctx); err != nil {
 		panic(err)
 	}
 }
diff --git a/x/group/msgs.go b/x/group/msgs.go
index 4261b44a2478..02e4a6102681 100644
--- a/x/group/msgs.go
+++ b/x/group/msgs.go
@@ -294,10 +294,7 @@ func (m MsgCreateGroupPolicy) GetSignBytes() []byte {
 
 // GetSigners returns the expected signers for a MsgCreateGroupPolicy.
 func (m MsgCreateGroupPolicy) GetSigners() []sdk.AccAddress {
-	admin, err := sdk.AccAddressFromBech32(m.Admin)
-	if err != nil {
-		panic(err)
-	}
+	admin := sdk.MustAccAddressFromBech32(m.Admin)
 	return []sdk.AccAddress{admin}
 }