[BUG] LiteDB ENSURE: get only index below highest index

[ImoutoChan]

LiteDB ENSURE: get only index below highest index

Message: LiteDB ENSURE: get only index below highest index
Type: Exception

Stack Trace
System.Exception: LiteDB ENSURE: get only index below highest index
   at LiteDB.Constants.ENSURE(Boolean conditional, String message)
   at LiteDB.Engine.BasePage.Get(Byte index)
   at LiteDB.Engine.LiteEngine.GetLastId(Snapshot snapshot)
   at LiteDB.Engine.LiteEngine.<>c__DisplayClass15_0.<GetSequence>b__0(String s)
   at System.Collections.Concurrent.ConcurrentDictionary`2.AddOrUpdate(TKey key, Func`2 addValueFactory, Func`3 updateValueFactory)
   at LiteDB.Engine.LiteEngine.GetSequence(Snapshot snapshot, BsonAutoId autoId)
   at LiteDB.Engine.LiteEngine.InsertDocument(Snapshot snapshot, BsonDocument doc, BsonAutoId autoId, IndexService indexer, DataService data)
   at LiteDB.Engine.LiteEngine.<>c__DisplayClass7_0.<Insert>b__0(TransactionService transaction)
   at LiteDB.Engine.LiteEngine.AutoTransaction[T](Func`2 fn)
   at LiteDB.LiteCollection`1.Insert(T entity)

Constant error on insert after my collection reached exactly 1000 elements. Found a similar issue but it isn't fixed.

DB file: https://mega.nz/file/sx4AAIpT#1nzxO_Nikz3I4uKXC_VpnJl7aUv4FxGYp-DVXk-0tW4
I only replaced sensitive data and didn't touch anything else.