I don't understand why it went wrong. Is there any friend who can help me
this is my error
i have the file '/home/dell/yuzhenjing/trRosetta/trRosettaX/uniclust30_2018_08/uniclust30_2018_08_cs219.ffdata'
Please do not post screenshots of code/errors - copy and paste the text itself in to a code block like this.
in to a code block like this
From your screenshot its not clear why you think this is or isn't working.
Based on the error it would suggest there is something wrong with the database file, or the permissions are incorrect, but at a glance they seem OK.
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