The problems are resolved. It was finally traced to a rsync --delete flag that was not deleting, and hence duplicate records were being kept in some series (when file names changed but templates did not). Christian Zimmermann FIGUGEGL! Economic Research Federal Reserve Bank of St. Louis P.O. Box 442 St. Louis MO 63166-0442 USA https://ideas.repec.org/zimm/ @CZimm_economist