backup as compressed backupset incremental level 0 database format '/backupnfsap/FRA/Full_Incr_Bkp/%T/incrlv0_%d_%U_%T.dbf' plus archivelog
format 'Incr/%T/incrlv0_arch_%d_%U_%T.arc'
tag = 'incr_lvl_0';

backup as compressed backupset incremental level 0 database format 'Incr/%T/incrlv0_%d_%U_%T.dbf' plus archivelog until time 'sysdate'
format 'Incr/%T/incrlv0_arch_%d_%U_%T.arc'
tag = 'incr_lvl_0';

RMAN> run{
2> backup as compressed backupset incremental level 0 database format '/backupnfsap/backups/Incr/%T/incrlv0_%d_%U_%T.dbf' plus archivelog until time 
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00558: error encountered while parsing input commands
RMAN-01009: syntax error: found "until": expecting one of: "auxiliary, channel, delete, diskratio, filesperset, force, format, from, include, keep, maxsetsize, noexclude, nokeep, not, pool, reuse, section, skip readonly, skip, tag, to, ;"
RMAN-01007: at line 2 column 136 file: /export/home/oracle/scripts/Weekly/lv0_backup.rman

run{
backup as compressed backupset incremental level 0 database format '/backupnfsap/backups/Incr/%T/incrlv0_%d_%U_%T.dbf'
tag = 'incr_lvl_0';
backup as compressed backupset filesperset 11 format '/backupnfsap/backups/Incr/%T/incrlv0_arch_%d_%U_%T.arc' archivelog until time 'sysdate' not backed up;
BACKUP CURRENT CONTROLFILE FORMAT '/backupnfsap/backups/Incr/%T/ctrl_%d_%U_%T';
BACKUP SPFILE format '/backupnfsap/backups/Incr/%T/spfile00_%d_%U_%T';
delete archivelog until 'sysdate-14';
}

------------------
Directory created.
------------------
/backupnfsap/backups/Incr/20200217
----------------------------------
Starting Weekly Incremental Backup
----------------------------------

Recovery Manager: Release 11.2.0.4.0 - Production on Mon Feb 17 14:13:57 2020

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

connected to target database: BANK (DBID=2535124187)

RMAN> run{
2> backup as compressed backupset incremental level 0 database format '/backupnfsap/backups/Incr/%T/incrlv0_%d_%U_%T.dbf'
3> tag = 'incr_lvl_0';
4> backup as compressed backupset filesperset 11 format '/backupnfsap/backups/Incr/%T/incrlv0_arch_%d_%U_%T.arc' archivelog until time 'sysdate' not backed up;
5> BACKUP CURRENT CONTROLFILE FORMAT '/backupnfsap/backups/Incr/%T/ctrl_%d_%U_%T';
6> BACKUP SPFILE format '/backupnfsap/backups/Incr/%T/spfile00_%d_%U_%T';
7> delete archivelog until 'sysdate-14'
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00558: error encountered while parsing input commands
RMAN-01009: syntax error: found "single-quoted-string": expecting one of: "scn, sequence, time"
RMAN-01007: at line 7 column 25 file: /export/home/oracle/scripts/Weekly/lv0_backup.rman
---------------------------------------------------------
Finished Weekly Incremental Backup at 17-02-2020 14:13:57
---------------------------------------------------------