The materialized view cannot be changed to immediate because the ON conditions must refer to both side of the OUTER JOIN

Error constant SQLE_UPDATABLE_MATVIEW_PSNS_ON_CONDITION
ODBC 2 state 42000
ODBC 3 state ERROR
Severity 15
SQLCODE -1371
SQLSTATE 42WE4
Sybase error code 13191
 Probable cause