https://www.curseforge.com/minecraft/mc-mods/stardew-fishing/comments

https://github.com/ExpensiveKoala/Fishing-Real/blob/1.20.x/neoforge/src/main/java/koala/fishingreal/forge/FishingRealForge.java#L67

This causes non fishing item to not spawn in world.

This was fixed for latest version of 1.21.1.

If this fix is needed for a previous version, let me know. I can backport the fix.

Please do for 1.20.1

It has been done.