Unable to find in index '%1' for table '%2'

Error constant SQLE_NOT_FOUND_IN_INDEX
ODBC 2 state ERROR
ODBC 3 state ERROR
Parameter 1 Name of invalid index.
Parameter 2 Name of table containing the invalid index.
Severity 11
SQLCODE -189
SQLSTATE WI005
Sybase error code 2727
 Probable cause