Unable to successfully install and run examples

[Peej11]

Fission/Kubernetes version
The cluster is an on-prem cluster running Cilium for CNI and SMB share for the volume mount.

$ fission version - 1.19.0
$ kubectl version - 1.26.3

Kubernetes platform (e.g. Google Kubernetes Engine)
On-prem K8S cluster

Describe the bug
I'm unable to deploy Fission correctly and run the example functions.

To Reproduce

• Install Fission with the attached spec
• Try to run an example

Expected result
Example should run successfully

Actual result
Example gave an error

Error: error creating resource: Internal error occurred: failed calling webhook "venvironment.fission.io": failed to call webhook: Post "https://webhook-service.fission.svc:443/validate-fission-io-v1-environment?timeout=10s": Bad Gateway

Screenshots/Dump file

$ fission support dump

fission-dump_1693313310.zip

# fission version
client:
  fission/core:
    BuildDate: "2023-05-18T12:33:09Z"
    GitCommit: f955d118
    Version: v1.19.0
server:
  fission/core:
    BuildDate: "2023-05-18T12:33:09Z"
    GitCommit: f955d118
    Version: v1.19.0

# fission check
fission-services
--------------------
√ executor is running fine
√ router is running fine
√ storagesvc is running fine
√ webhook is running fine

fission-version
--------------------
√ fission is up-to-date

Additional context