You should have pair-end fastq files (two files) or merged fastq file (one file) for each sample. Please name all the fastq files as XX_R1/2.fastq or XX.1/2.fq or XX.fq (merged). The name should be strictly conforming to the rules or it will return errors. Either compress them or not. Put all the fastq files in a folder (e.g. data) which should be compressed to .zip (e.g. by 7z in Windows). Don't rename it after compression.
Please upload your data file:
Here are some example data: