Describe the bug
Dedicated server crashed when player timed out.

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
If applicable, add screenshots to help explain your problem.

Debugging
Before reporting a issue please check if there is anything relevant in the crash-reports, debug.log and latest.log file.

Is the issue happening in combination with other mods? (If yes, please provide a full list)
See crash report

Thanks a lot for the report. The issue should be fixed with version:
https://www.curseforge.com/minecraft/mc-mods/daily-rewards/files/3896153

What a quick fix, thank you!