3716546 - Backup to backint fails with error: Server not accepting new save sessions

A HANA Database backup via backint fails with errors similar to the below:

backup.log:

2027-01-01T00:00:00+01:00  P123456 12a1234567 ERROR BACKUP SAVE DATA finished with error: [447] backup could not be completed, [000000] Backint exited with exit code 2 instead of 0. console output: Using backup template '<template>' 11111 12345678 2 1 11 1234567 3456 0 <host> nsrd SYSTEM warning 38 Server not accepting new save sessions 0 , [000000] Not all data could be written: Expected 4096 but transferred 0

backint.log:

2027-01-01T00:00:00+01:00 backint terminated:
  pid: 123456
  exit code: 2
  output:
  
  #ERROR "/usr/sap/<SID>/SYS/global/hdb/backint/DB_<SID>/[...]COMPLETEBACKUP_FULL_02_<...>_backup_databackup_0_1"
  exception: 
  exception  1: no.110507  (Backup/Destination/Backint/impl/BackupDestBackint_Executor.cpp:254)
      Backint exited with exit code 2 instead of 0. console output: Using backup template 'template' 11111 12345678 2 1 11 1234567 3456 0 <host> nsrd SYSTEM warning 38 Server not accepting new save sessions 0 

SAP HANA Platform

KBA , HAN-DB-BAC , SAP HANA Backup & Recovery , Problem