LogClass: Error: StructProperty

[assmikDuDuDuJ]

I am a complete zero in C++, the most I can do is change or add something to the existing code.
on 5.1 on startup there are the following errors in the log
LogClass: Error: StructProperty FALSAnimGraphAimingValues::SmoothedAimingRotation is not initialized properly. Module:ALSV4_CPP File:Public/Library/ALSAnimationStructLibrary.h
is there any way to fix this besides "initializing" each variable with default values directly in the code?
....
besides this, when trying to pack a project, any warning in the log produces an endless packing process, with the same warning message spamming to the log... up to the error "memory ran out".
after fixing all the warnings packaging process ended quickly and without problems, is this a problem of 5.1 or this plugin? I have not seen such problems with other plugins.