Backup set unreadable after repeated crashes

[PGalati]

Started noticing a rash of emails notices this week indicating that Retrospect had launched, but I never shut it down.  So last night I get a notice saying the backup can't run now because it can't find the backup set.  Is it toast?

 [*] soccRecv: recv failed, error 60
  Assert occurred on 4/4/18 at 2:43:26 PM
  +  Retrospect version 15.0.0.190
  Launched at 4/4/18 2:43:27 PM

  Assert occurred on 4/4/18 at 3:28:15 PM
  +  Retrospect version 15.0.0.190
  Launched at 4/4/18 3:28:16 PM

    +  Normal backup using File Server Backup (Manual) at 4/4/18, 10:00:00 PM (Activity Thread 1)
    Can't access Backup Set 091917, error -1,101 (file/directory not found)
    4/4/18 10:00:12 PM: Execution incomplete

 

Model Name:    Mac Pro
  Model Identifier:    MacPro4,1
  Processor Name:    Quad-Core Intel Xeon
  Processor Speed:    2.93 GHz
  Number of Processors:    2
  Total Number of Cores:    8
  L2 Cache (per Core):    256 KB
  L3 Cache (per Processor):    8 MB
  Memory:    16 GB