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user_id=734219

Richard,

maybe it helps to know that some files were written before
the exception was raised: (bytes/name)

22 744 keyword-journals.csv
1 188   keyword.csv
10 054 priority-journals.csv
   262 priority.csv
23 572 status-journals.csv
   407 status.csv
       0 user-journals.csv
 2 781 user.csv

Looks like creating user-journals.csv caused the problem.

David