Index name '%1' is ambiguous

Error constant SQLE_AMBIGUOUS_INDEX_NAME
ODBC 2 State S0011
ODBC 3 State 42S11
Parameter 1 Name of the ambiguous index.
Severity 16
SQLCODE –678
SQLSTATE 52W40
Sybase error code 1921
Probable cause

A statement has referred to an index name that is not unique. Preface the index name with the table and/or owner name.