Android Question Generating R file. Error res\raw\Info.txt: Invalid file name: must contain only [a-z0-9_.]

Error when compiling with a simple file into (...Objects\res\raw\) path

B4A Version: 8.30
Parsing code. (0.00s)
Compiling code. (0.08s)
Compiling layouts code. (0.00s)
Organizing libraries. (0.00s)
Generating R file. Error
res\raw\Info.txt: Invalid file name: must contain only [a-z0-9_.]

If I don't have this file, it compiles normally. (My gol is to use an apk file to android ware)