PowerProtect : PPDM Backup Level Error Code ABNA0019 & ABN0008 - File Backup fails multiple times Error Codes : ABNA0019 & ABN0008

workflow.log: 2024-05-21T00:38:28.836Z INFO [] [pool-27-thread-6] [00000000-0000-4000-a000-000000000000][][][TRACE_ID:9227f541b60ebe95][] [c.e.b.w.a.BaseActionExecutor.callPillarTask(177)] - NASDeleteSnapshot action request uri=https://localhost:8443/api/v2/nas-backup-request/delete-snapshot, http-method=POST, requestBody = {"workflowTaskId":"f099b390-5413-4363-b4c1-cfcbbe050a14","plcId":"a5888305-574f-4618-a8ae-813240096332","stageId":"3052509a-c3e8-7fd0-770d-61ff75fc6058","assetId":"1084963d-89bd-5dcf-9ad2-53ddfe1a958d","backup":{"options":{"debugEnabled":false,"skipOn":[],"indexingEnabled":true,"continueOn":["ACL_ACCESS_DENIED","DATA_ACCESS_DENIED","FILENAME_LENGTH_LIMIT_REACHED"]},"backupOptions":{"parallelism":8,"operationIds":["978ffa0e-39f0-2127-f57e-c4b0ac21791d"],"isAdhocBackup":false},"backupType":"SYNTHETIC_FULL"}} 
workflow.log: 2024-05-21T00:38:28.844Z INFO [] [workflowExec_161d0a1e-f784-42d5-ae59-97eea89f6f02] [00000000-0000-4000-a000-000000000000][][][TRACE_ID:9227f541b60ebe95][] [c.e.b.w.e.s.JobExecutionService.lambda$exec_Workflow$12(642)] - Job starts with WORKFLOW DEF: NASDeleteSnapshotWorkflow, PI_ID: 7131dea7-170a-11ef-8bb5-0242ac1800fa 
zuul.log: 2024-05-21T00:38:28.871Z INFO [] [https-jsse-nio-8443-exec-27] [00000000-0000-4000-a000-000000000000][][][TRACE_ID:9227f541b60ebe95][] [c.e.b.z.f.p.RibbonReadTimeoutFilter.run(62)] - nasdm ribbon ReadTimeout is :90000 
zuul.log: 2024-05-21T00:38:28.871Z INFO [] [https-jsse-nio-8443-exec-27] [00000000-0000-4000-a000-000000000000][][][TRACE_ID:9227f541b60ebe95][] [c.e.b.z.f.ApiMetricsBaseFilter.logFromPreFilter(35)] - Request begin : 1ab9cd75-33f3-41f2-8dfd-3b4af7c8c070 POST /api/v2/nas-backup-request/delete-snapshot 
nasdm.log: 2024-05-21T00:38:28.877Z INFO [] [https-jsse-nio-9005-exec-99] [00000000-0000-4000-a000-000000000000][][][TRACE_ID:9227f541b60ebe95][] [c.e.d.e.n.c.RestLogFilter.doFilter(28)] -  Enter RESTful Msg - Method: POST , Path: https://172.##.##.##:8443/api/v2/nas-backup-request/delete-snapshot 
nasdm.log: 2024-05-21T00:38:28.878Z INFO [] [https-jsse-nio-9005-exec-99] [00000000-0000-4000-a000-000000000000][][][TRACE_ID:9227f541b60ebe95][] [c.e.d.e.n.c.NasBackupRequestController.createDeleteSnapshotTask_aroundBody2(79)] -  Start: DELETE_SNAPSHOT Controller, deleteRequestResource: class BackupRequestResource {
    workflowTaskId: f099b390-5413-4363-b4c1-cfcbbe050a14
    plcId: a5888305-574f-4618-a8ae-813240096332
    stageId: 3052509a-c3e8-7fd0-770d-61ff75fc6058
    assetId: 1084963d-89bd-5dcf-9ad2-53ddfe1a958d
    backup: class Backup {
        backupType: SYNTHETIC_FULL
        backupOptions: class BackupOptions {
            isAdhocBackup: false
            retentionInterval: null
            retentionUnit: null
            parallelism: 8
            disableProtectionPolicyProcessing: null
            operationIds: [978ffa0e-39f0-2127-f57e-c4b0ac21791d]
        }

snapshotAndSlice.log.gz: 2024-05-20T18:03:28.618Z INFO: [TRACE_ID:9227f541b60ebe95;JOB_ID:8e64207aa0b920cd;TASK_ID:aadba131b219f273] "errorCode": "ABNA0019",
snapshotAndSlice.log.gz: 2024-05-20T18:03:28.618Z INFO: [TRACE_ID:9227f541b60ebe95;JOB_ID:8e64207aa0b920cd;TASK_ID:aadba131b219f273] "errorMessage": "Unable to complete a 'SNAPSHOT_AND_SLICE' operation because there was no suitable backup list for asset 'gbgr'. Unable to create a slice list for the backup because Failed to create slice list for backup: Failed to create slices for incremental backup with error: Failed to reconstruct slice tree from last backup, error: Failed to set generic slice for slice tree re-construction using last backup metadata, error: Failed to find root node slice for path /gbgr/Gruppen1/102000_GB_gesamt/01_Marketing/03_Software/03_IBM.\n.",
snapshotAndSlice.log.gz: 2024-05-20T18:03:28.618Z INFO: [TRACE_ID:9227f541b60ebe95;JOB_ID:8e64207aa0b920cd;TASK_ID:aadba131b219f273] "remediation": "",