ORA-32321: REFRESH FAST unsupported after detail table TRUNCATE; ORA-12034: materialized view log younger than last refresh

===============

Issue

===============

BEGIN

 DBMS_REFRESH.REFRESH('MY_USER.GSM_COUNTRIES');

END;

/

ORA-32321: REFRESH FAST of "MY_USER"."GSM_COUNTRIES" unsupported after detail table TRUNCATE

ORA-06512: at "SYS.DBMS_SNAPSHOT", line 2809

ORA-06512: at "SYS.DBMS_SNAPSHOT", line 3025

ORA-06512: at "SYS.DBMS_IREFRESH", line 689

ORA-06512: at "SYS.DBMS_REFRESH", line 195

ORA-06512: at line 2

or

ORA-12034: materialized view log on "NPPROV"."GSM_REGIONS" younger than last refresh

ORA-06512: at "SYS.DBMS_SNAPSHOT", line 2809

ORA-06512: at "SYS.DBMS_SNAPSHOT", line 3025

ORA-06512: at "SYS.DBMS_IREFRESH", line 689

ORA-06512: at "SYS.DBMS_REFRESH", line 195

ORA-06512: at line 2

===============

Solution

===============

C - Stands for Complete

BEGIN

 DBMS_MVIEW.REFRESH('MY_USER.GSM_COUNTRIES','C');

END;

/

PL/SQL procedure successfully completed.

BEGIN

 DBMS_REFRESH.REFRESH('MY_USER.GSM_COUNTRIES');

END;

/

PL/SQL procedure successfully completed.