“[msg:369] Error during a process” – SENTINEL Error Message


This Error Message Article explains the SENTINEL error message “[msg:369] Error during a process” and details how to fix the underlying problem that caused it to appear.

Event code: 21
Plug-in: CODESOFT Printing


SENTINEL is unable to communicate to the intended printer to complete the print job to CODESOFT. There is a connection loss.  SENTINEL, when setup to print directly to the printer (without using Windows Spooler), will try to communicate with the printer and timeout at 60 seconds (default setting) before failing the job.

This error indicates that there are issues with the communication with printer.  Some of the possible causes are:

  • Printer is offline
  • Printer is disconnected from the network
  • Printer ran out of media (label)
  • Printer ran out of ribbon
  • Printer fault (paper jam, etc.)


To resolve the connection issue, go through the list of possible issues above.

Additional Comments

Issue Found: Microsoft Windows XP, 7, 8, Microsoft Windows Server 2008, 2008 R2, running TEKLYNX CENTRAL 3.0, 4.0


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