Dear @nextstrain-team,
augur clades --tree results/tree.nwk --mutations results/nt_muts.json results/aa_muts.json --clades config/clades.tsv --output-node-data results/clades.json
Validating schema of 'results/nt_muts.json'...
Validating schema of 'results/aa_muts.json'...
{"E": {"end": 26472, "seqid": "data/genemap.gff"…} failed required validation for ["nuc"]
ERROR: results/aa_muts.json contains an `annotations` attribute of an invalid JSON format. Was it produced by different version of augur the one you are currently using (23.1.1)? Please check the program that produced that JSON file.