The reading file was not found or is of invalid format
The reading file was too short (less than the minimum match length)
The reading appeared to match somewhere but failed to align
sufficiently well (too many padding characters or too high a percentage
A reading of the same name was already present in the database
This error number is no longer used
During a masked assembly, no sequence match with this reading was found.
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Last generated on 2 Febuary 1999.