Netbackup error 6 for sap online backup

Its already in backup mode.

looks it got locked in backup mode...ask ur dba to release the table space which gt locked and try the backup.

BR0328E Database file F:\ORACLE\J12\SAPDATA3\SR3700_1\SR3700.DATA1 of tablespace PSAPSR3700 is already in backup status
BR0328E Database file F:\ORACLE\J12\SAPDATA3\SR3700_2\SR3700.DATA2 of tablespace PSAPSR3700 is already in backup status
BR0328E Database file F:\ORACLE\J12\SAPDATA3\SR3700_3\SR3700.DATA3 of tablespace PSAPSR3700 is already in backup status
 

Please ask ur DBA to verify this link: http://scn.sap.com/thread/1682898

To remove the lock:,

Login to your database.--->go to command prompt(windows) or shell(Unix/linux) using sidadm.

sqlplus /nolog

SQL> Connect /as sysdba

SQL> ALTER DATABASE END BACKUP;