0. ALWAYS PROVIDE INFORMATION ABOUT MODLOADER (Fabric / Forge) AND MOD VERSION (For Example 1.19.2-8.2.10)

NeoForge 21.1.148 (minecraft 1.21.1)
travelersbackpack neoforge 1.21.1 10.1.19

1. Describe the bug
   The maximum number of items in a stack that I can deposit is 99 in to the backpack when I have a mod where the maximum is 2147483646 (the mod is stackable).

2. Write steps to reproduce the bug
   Deposit 100 or more items into the backpack

3. What is expected behaviour

Who can deposit more than 99

4. Screenshots (If applicable)
   screenshot

Fixed in 10.1.20
https://www.curseforge.com/minecraft/mc-mods/travelers-backpack