Post Process Animation Blueprint triggering a crash when compiled

User Description:
"Crash happens only while trying to compile parent character's blueprint which contains no specified skeletal mesh. Child character containing mesh that uses mentioned post process Anim BP has no issues compiling."

Project link:
[Link Removed]

1. Open attached Project
2. Open and compile ALS_BaseCharacter

Expected Results:
Blueprint compiles with out crashing

Actual Results:
Editor Crashes:

Assertion failed: RootLOD == MeshComp->GetPostProcessInstance()->GetRequiredBones().GetCalculatedForLOD() [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\Animation\AnimInstance.cpp] [Line: 3053]