explain the problematic distinction of reactions right at the source

3 jobs for mk-explain-reactions-better in 9 minutes and 31 seconds (queued for 1 second)
Name Stage Failure
docker:julia1.7 Test
[ Info: CoverageTools.process_cov: processing src/reconstruction/community.jl.274.cov
[ Info: CoverageTools.process_file: Detecting coverage for src/reconstruction/enzymes.jl
[ Info: CoverageTools.process_cov: processing src/reconstruction/enzymes.jl.274.cov
[ Info: CoverageTools.process_folder: Searching src/reconstruction/modifications for .jl files...
[ Info: CoverageTools.process_file: Detecting coverage for src/reconstruction/modifications/generic.jl
[ Info: CoverageTools.process_cov: processing src/reconstruction/modifications/generic.jl.274.cov
[ Info: Submitting data to Codecov...
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1