SAP Knowledge Base Article - Public

2796038 - Cloud Print Manager Not Showing the Print Queues


You have installed an configured Cloud Print Manager (CPM), however the print queues are not showing. Also, next to system address you see an yellow icon.

In the error logs there are messages similar to:

*** ERROR *** [6] Object reference not set to an instance of an object. GetAllPrintQueues in DocumentsAvailable (2) ***** [ DocumentsAvailable in RetrievalManager.cs at line 894 ] *****


  • SAP Business ByDesign
  • SAP Cloud for Customer 


The yellow icon indicates an network issue. The Cloud Print Manager is not able to communicate to the system.


 There are some steps to be performed to correct this problem:

1) Proxy Settings - If you are using proxy you can configure it sirectly inside the CPM.

  1. Click on Settings.
  2. Select Proxy.
  3. Choose the correct option and fill the proxy configuration.

2) Security Protocol - Select a different Transport Layer Security:

  1. Click on Settings.
  2. Select Security Protocol.
  3. Choose a different option in the list. (The recommended option is TLS 1.1 and TLS 1.2).

After changing one of theses options the CPM service will be restarted. If tis not happen, you must restart the services manually.

3) Connect the computer into a different network.

4) Install CPM in a different computer.


Cloud Print Manager; Print Queues , KBA , AP-RC-OUT , Output Management , How To


SAP Business ByDesign 1902 ; SAP Cloud for Customer add-ins all versions