Versions:
minecraft 1.16.5
forge 36.2.23 (also tested with 36.2.39)
inventorypause 0.7.1
mekanism 10.1.2.457

InventoryPause encounters an error when attempting to load it with mekanism (just these two mods and immediate dependencies).
I tested disabling the mekanism compatibility in the configs but that did not help.
crash-2022-07-23_18.44.29-fml.txt

I see that in your readme the latest version of your mod for 1.16.5 should be 0.8, however it doesn't look like that version is available on curseforge?

Found version 0.8 on modrinth and that changed the error to something no longer mekanism specific, so I'll close this ticket and reopen a separate one after I've had a chance to troubleshoot the new error.
Oh, and thanks for contributing to the modding community!

re-opened as this issue re-occurs on version 0.8.1 (or perhaps the issue never went away, but was simply pre-empted by the errors in v0.8?)
Error message during launch is same as above.
Crash occurs regardless of whether mekanism compatibility is enabled in the config.
Replicated in the following environment:
Minecraft 1.16.5
Forge 36.2.34
Mods:

• inventorypause 0.8.1
• cloth-config 4.14.64
• mekanism 10.1.1.456

crash log:
crash-2022-08-01_16.20.14-fml.txt

This should be fixed with the latest release! :)

Hooray! Works like a charm even in a large heavily customized modpack like Vault Hunters now, thank you!