Cannot update primary key for table '%1' involved in a publication

Error constant SQLE_ARTICLE_PK_CANNOT_BE_UPDATED
ODBC 2 state 42000
ODBC 3 state 42S02
Parameter 1 Name of the table.
Severity 16
SQLCODE -780
SQLSTATE 5RW19
Sybase error code 13790
 Probable cause