AOF6 1.5.1
MC 1.19.2
8.2.17

When a slot is reserved to a tool and the duraility changes, the reservation no longer applies.

The reservation should work regardless of durability, or there should be an option to ignore NBT data (probably should be set to ignore by default)

https://www.curseforge.com/minecraft/mc-mods/travelers-backpack/files/all
https://modrinth.com/mod/travelersbackpack/versions
https://www.curseforge.com/minecraft/mc-mods/travelers-backpack-fabric