Communication abort when logging out (fixed as of V3.22)

Corrected from:
PLC Designer V3.22

Response of the new version:

No error message appears when logging out.

What happens?

A popup window with the content appears in the PLC Designer:
Communication abort with ServerAppHandleRequest returned 28

When does the behaviour occur?
The error message described above appears sporadically when logging out (going offline) in PLC Designer.

Which products are affected?

PLC Designer from V3.21

Short-term measures:
Ignore the error message. Regardless of this error message, you can log in to the controller again.

Evaluation/Recommendations:

When logging out, a message regarding communication interruption appears. This message does not lead to any functional limitation of the PLC Designer.

Automatic Translation

URL for linking this AKB article: /en-de/go/akb/202000155/1/