parallel upload, tags missing

[tilemo2]

Hello,
I tried uploading 2 mp3 files with some tags attached and had some problems with the parallel uploads:
The first song got all the tags but the 2nd song (in upload cue) didn´t have any tags. Once I turned off parallel uploads it worked just fine. Can I chance something in the settings or is it a generall problem with parallel uploads?

Thanks allready! (Im new here, so please correct me, if I´m in the wrong discussion...)