Primary key for table '%1' is not unique : Primary key value ('%2')

Error constant SQLE_PRIMARY_KEY_NOT_UNIQUE
ODBC 2 state 23000
ODBC 3 state 23000
Parameter 1 Name of the table where the problem was detected.
Parameter 2 Duplicate primary key values that caused the error.
Severity 14
SQLCODE -193
SQLSTATE 23W01
Sybase error code 2601
 Probable cause