Index Error: All Macaw mods except paths and paintings

[SnakeJackman]

I am getting an index error when launching minecraft in 1.21.8:

encountered an error during the sided_setup event phase
java.lang.ArrayIndexOutOfBoundsException: Index 2048 out of bounds for length 1025

[Samlegamer]

mod ?

Edit : It's a random crash of Forge

[sketchmacaw]

Should be this sketchmacaw/MacawsModsIssues#603