game freezes when trying to hibernate as spear master in shaded citadel

[novel drum]

only mods i use are puppetmaster and split screen coop
removing the mods did not fix the issue
playing in singleplayer did not fix the issue
and playing in low graphics quality did not fix the issue
you can still pause the game while its frozen

[neon dove]

Was this happening when using Spearmaster in another campaign?

Or just when trying to hibernate in Shaded as spearmaster in spearmaster campaign?