When running the Product Valuation Reports on Versions when they have come from Version 8 to 8.400 the following error may occur.
Message: Variable 'FIFO' is not found
Go into Command Mode
Use Prodbals Exclusive
Copy and paste in:
Index on code+STR(location, 2, 0)+Dtos(date) For Inlist(stype,'R','T') And qty > 0 Tag fifo
Log into your data file and then run the reindex