Nextflow ERROR ~ Cannot read write-only property: from

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Hi @Janaksunuwar. Welcome to the community forum :smiley:

This code you shared is DSL1, an older version of the Nextflow language syntax that is no longer supported by recent versions of Nextflow. I’d recommend you to convert your pipeline to DSL2 so that you can benefit from newer version (and features) of Nextflow.

There’s a Migrating from DSL1 section in the Nextflow official docs. Seqera AI can also help with that.

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