[galaxy-user] Change format with "edit attributes"

Hello,

I'm trying to change the format to the output files from Barcode splitter from FASTA to FASTAQ so I can use them in Bowtie for Illumina. I've read that it can be done through the edit attributes, I go to datatype and select fastaq, save and then go to convert format and press convert but the resulting file is 0 bytes and is not recognized by Bowtie.

I´ve also tried to upload by copying the link and selecting fastaq as format but in this case, I got the file shown in the picture and it is not recognized by Bowtie again.

What can I do?? I don´t know how to continue because I´m not able to change the format to fastaq!

Thank you very much for your help in advance

Best, Gema