Cannot create synchronization entry for table '%1' with BLOB primary key

Error constant SQLE_BLOB_IN_SYNC_TABLE_PK
ODBC 2 state 42000
ODBC 3 state 42S02
Parameter 1 Name of the table.
Severity 16
SQLCODE -779
SQLSTATE 5RW18
Sybase error code 13789
 Probable cause