Alice Fulton
07/27/2026, 3:20 PMMatthias Zepper
07/27/2026, 3:28 PMs3:// prefix will either be routed to AWS or to Cloudflare, depending on your aws scope config.
So either it tries to write the output files to a non-existing AWS bucket, or it doesn’t find the input files.
On the Nextflow Slack, there is an AWS channel, so maybe they know more or you find a rarely used parameter in the AWS config section in the docs. Maybe you can specify either bucket with some absolute URL instead of just the s3:// prefix?Matthias Zepper
07/27/2026, 3:39 PMworkdir also, you will probably save money for staging?