根据视频课程构建16S进化树时一直提示这个
Plugin error from phylogeny:
work/my_amplicon/tmp/q2-AlignedDNAFASTAFormat-3r8bwdoj is not a(n) AlignedDNAFASTAFormat file:
The sequence starting on line 2 was length 404. All previous sequences were length 0. All sequences must be th...