FASTQ to FASTA outputs do not work in ABRicate

[MelonaT]

Hi,
I'm working in Galaxy and I converted my Amplicon Sequencing data (originally in FASTQ) by the FASTQ to FASTA tool in order to analyze it with ABRicate, but ABRicate doesn't give results (no error messages, just an empty file). When I run MEGAHIT first and use the output fasta file for ABRicate, it works (so the output files of ABRicate are not empty), but actually it should also work without MEGAHIT. Does anybody now what the problem is?
Thanks for the help!