Cannot insert or update computed column '%1'

Error constant SQLE_COMPUTED_COLUMN_WRITE_ATTEMPTED
ODBC 2 State ERROR
ODBC 3 State ERROR
Parameter 1 The name of the column.
Severity 16
SQLCODE –703
SQLSTATE WW023
Sybase error code 4406
Probable cause

Computed column values cannot be modified explicitly. Their value is determined implicitly from the computed expression value.