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System.IO.IOException: ERROR: Error parsing modifications file: modifications.xml(line 5662): Missing required attribute 'composition'.

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System.IO.IOException: ERROR: Error parsing modifications file: modifications.xml(line 5662): Missing required attribute 'composition'. m kuppusamy  2020-09-09 08:53
 

I am trying to load some DDA data on skyline using the import DDA peptide search option. I get an error "System.IO.IOException: ERROR: Error parsing modifications file: modifications.xml(line 5662): Missing required attribute 'composition'." when I try to load the msms.txt file from the Maxquant search. I already have modifications.xml file from maxquant in the same directory as well. Could you please tell me what could be the problem here?
 
 
Matt Chambers responded:  2020-09-09 09:07

The error is most likely a corrupt/invalid modifications.xml. Check line 5662 of the file in a text editor and make sure it's a valid XML element for MaxQuant's modifications schema. Alternately attach the file here and I'll look at it.
 
m kuppusamy responded:  2020-09-09 09:13

Yes!! I deleted that modification and it worked!! thank you very much.