1.16.5
The version of Minecraft the mod is running on

1.0.2.4
The version of the mod you are using

Cannot save replay mod file
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. Download Jei, Jer, Forge 36.2.34, and The Wither Storm Mod
2. Record the entire bossfight
3. Exit out of the world or server and press save replay
4. See error

Crash Reports / Logs
https://paste-bin.xyz/71048

Also, the replay mod version I am using can be found here: https://www.curseforge.com/minecraft/mc-mods/replay-mod-for-forge/files/3548798

I'm unable to reproduce this issue. Regardless, this appears to be a replay mod issue considering the crash report.