The post here mentioned the similar problem, but the resolution there is not working for me.
I've tried the following file names for SBS 180 video files:
XXX_SBS_180.mp4
XXX_SBS_180_LR.mp4
XXX_LR.mp4
XXX_3DH.mp4
NONE of them works, it seems to be a bug for this app, it would be perfect to fix it!
PlayaVR.exe version:
2022.3.24.20146
2022.3.24f1 (334eb2a0b267)