Cannot update or delete an all-NULL row from table '%1'

Error constant SQLE_CANNOT_UPDATE_NULL_ROW
ODBC 2 state 42000
ODBC 3 state 42000
Parameter 1 The name of the table that cannot be modified.
Severity 16
SQLCODE -734
SQLSTATE 09W08
Sybase error code 13750
 Probable cause