[0.44][0.50-a] UPBGE immediate crash when opening game.blend

[DinoDevel]

When opening game.blend in UPBGE 0.44.3 or 0.50-alpha it crashes immediately. Same file can be opened in UPBGE 2.5b-b2.

blender.crash.txt:

# Blender 4.4.3, Commit date: 2025-05-05 22:17, Hash a74e80930464

# backtrace
./blender() [0x1058eb0]
./blender() [0x895c75]
/lib64/libc.so.6(+0x57900) [0x7fb0dc657900]
./blender() [0x13cc8fc]
./blender() [0x13b083e]
./blender() [0x13b8355]
./blender() [0x13afd03]
./blender() [0x89c569]
./blender() [0x12ab633]
./blender() [0x12abd98]
./blender() [0x129b0b1]
./blender() [0x129fb65]
./blender() [0x12a074d]
./blender() [0x12a10b3]
./blender() [0x1291e90]
./blender() [0x746b67]
/lib64/libc.so.6(+0x40e6c) [0x7fb0dc640e6c]
/lib64/libc.so.6(__libc_start_main+0x87) [0x7fb0dc640f35]
./blender() [0x89106e]

# Python backtrace