[Bug] SQLite to H2 Update error/warning

[daretmavi]

Minecraft Server Version

paper-1.21.1-128

/graves dump output

https://mclo.gs/RCsKEjI

Summary of the bug

Several Errors and Warning after DB migration from SQLite to H2

Steps to Reproduce

1. New Server paper-1.21.1-128 with gravesx plugin ans SQLite setting in config.yml + create few graves + stop server
2. Change SQLITE to H2 in config.yml
3. Start server again - you get errors in console
   • https://pastebin.com/trB8j3id
4. Try to connect - no graves in /graves command
5. stop and start server again
6. connect to the server - you can see graves in /graves command, but if you mouse over them, you get some warnings in console
   • https://pastebin.com/Jemm02c0
   • /graves dump (https://mclo.gs/RCsKEjI) is from this time
7. I created 3 graves, but the fist one was not accessible
8. Stop and start server again
   • now it suddenly works

Expected Result

Should update without errors.

Actual Result

Errors / Warning during the update and doesn't work right away.

Screenshots

No response

Additional Information

No response

Version Confirmation

• [X] I confirm that the issue is present in the latest GravesX Spigot Release or Development Builds.
• [X] If I use development builds in a production environment, I am aware that I will not receive support if I lose data.
• [X] If the issue is caused by another fork or Graves 4.9, then I expect to not get support here and my issue will be closed.
• [X] I am not running an outdated version of GravesX when reporting
• [X] If I use any sort of Plugin Manager/Management plugin that I will not receive support. (Plugin Managers causes alot of behavioral issues and causes more problems than it resolves)
• [ ] I am not just clicking checkboxes randomly without reading them. If I don't check this, then I did read everything.