ORA-16179: incremental changes to "log_archive_dest_1" not allowed with SPFILE ... 

SQL> alter system set log_archive_dest_1='+LOGS' SCOPE=SPFILE;

alter system set log_archive_dest_1='+LOGS' SCOPE=SPFILE

*

ERROR at line 1:

ORA-32017: failure in updating SPFILE

ORA-16179: incremental changes to "log_archive_dest_1" not allowed with SPFILE

------ use "LOCATION" variable with LOG_ARCHIVE_DEST_1 parameter

SQL> ALTER SYSTEM SET log_archive_dest_1='LOCATION=+LOGS';

System altered.