Data Guard :: ORA-01354 / Supplemental Log Data Must Be Added To Run This Command

I configure logical standby online .when I execute dbms_logstdby.buid,first

SQL> EXECUTE DBMS_LOGSTDBY.BUILD;

it was blcoked by other sesson,then i kill the holding session,but no work.then i cancel this step and execute it again . the error is

SQL> EXECUTE DBMS_LOGSTDBY.BUILD;
BEGIN DBMS_LOGSTDBY.BUILD; END;
*
ERROR at line 1:
ORA-01354: Supplemental log data must be added to run this command
ORA-06512: at "SYS.DBMS_LOGMNR_INTERNAL", line 3669
ORA-06512: at "SYS.DBMS_LOGMNR_INTERNAL", line 3755
ORA-06512: at "SYS.DBMS_LOGMNR_D", line 12
ORA-06512: at line 1
ORA-06512: at "SYS.DBMS_INTERNAL_LOGSTDBY", line 370
ORA-06512: at "SYS.DBMS_LOGSTDBY", line 157

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