QIIME 2 has no command named 'dada2'

When I run the command, (qiime dada2 denoise-single \ --i-demultiplexed-seqs B192_1.qza \ --p-trim-left 0 \ --p-trunc-len 250 \ --o-representative-sequences B192_1_rep-seqs.qza \ --o-table B192_1_table.qza) I get the following error message "Error: QIIME 2 has no plugin/command named 'dada2'. " But I re-checked the installation of qiime2 and couldn't use the data2 command. How can I do? Please.

Hi @Huaizhi_Qin,
If you search the forum for the error there are some helpful posts where similar issues were resolved. This one recommends deleting the current qiime2 environment and then reinstalling so that you can start fresh. First, I would recommend running the qiime info command and sending me the output so we can see if dada2 is in distribution you have.

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