The Tenshi Souzou RE-BOOT!'s data.xp3/motion/title_bg.mtn has these special character file name which is not allowed by Windows.
I can't rename when exporting, so I get this error.
I tried to find this character in the HEX editor and destroy it, but failed
You can extract the files you want correctly using this tool.
I really appreciate your help and the solution you provided works perfectly. I'm glad to hear that I'm not the only one who has encountered this problem, and your response has been incredibly helpful.
The Tenshi Souzou RE-BOOT!'s data.xp3/motion/title_bg.mtn has these special character file name which is not allowed by Windows. I can't rename when exporting, so I get this error. I tried to find this character in the HEX editor and destroy it, but failed