Cannot find index named '%1'

Error constant SQLE_INDEX_NOT_FOUND
ODBC 2 State S0012
ODBC 3 State 42S12
Parameter 1 Name of the index that cannot be found.
Severity 16
SQLCODE –183
SQLSTATE 52W03
Sybase error code 6226
Probable cause

You attempted to perform an operation using an index that does not exist. Check for spelling errors. Check whether the index name must be qualified with a user ID.