i need a c++ expert that has worked with Mono Sqlite

I am looking for a C++ expert who has experience working with mono and Sqlite

i have the following error that needs fixing

2023-09-19 03:54:27,829 FATAL 9 APP.DatabaseCleaner - Fatal exception in the database cleanup task.
Mono.Data.Sqlite.SqliteException (0x80004005): malloc() failed
out of memory
at Mono.Data.Sqlite.SQLite3.Reset(SqliteStatement stmt)
at Mono.Data.Sqlite.SQLite3.Step(SqliteStatement stmt)
at Mono.Data.Sqlite.SqliteDataReader.NextResult()
at Mono.Data.Sqlite.SqliteDataReader..ctor(SqliteCommand cmd, CommandBehavior behave)
at Mono.Data.Sqlite.SqliteCommand.ExecuteReader(CommandBehavior behavior)
at Mono.Data.Sqlite.SqliteCommand.ExecuteNonQuery()
at App.DBHandler.Vacuum() in G:\nntpPoster-master\App\DBHandler.cs:line 158
at App.DatabaseCleaner.CleanupTask() in G:\nntpPoster-master\Appr\DatabaseCleaner.cs:line 37

This app was coded by https://www.freelancer.com/u/mbilal4, but he refuses to fix the bug, even after paying him, please do not work with this coder