The list of workflow actions on the server references an assembly that does not exist. Some actions will not be available in SharePoint Designer

When I tried to create a SharePoint 2010 workflows via SharePoint Designer 2013, I got the below error

The list of workflow actions on the server references an assembly that does not exist. Some actions will not be available.

The list of workflow actions on the server references an assembly that does not exist. Some actions will not be available.


Cause

This “The list of workflow actions on the server references an assembly that does not exist” error usually occurs in case of

  • The Server/PC does not have enough memory,
  • ShareCache issue,
  • In some cases, This error comes up if the current account doesn’t have local privileges.
  • WSS.Actions” file contains a reference to a custom action.

Solution
The Server/PC does not have enough memory

This error may occur if the system does not have enough memory,

  • Try to close some programs to free some memory space.
  • If you are working on VM, you will need to check its memory allocation.
    • if the memory is less than 6 GB, try to scale it up.

Clear SharePoint Designer Cache 

Try to clear the SharePoint Designer Cache of the following folders

  • %USERPROFILE%\AppData\Local\Microsoft\WebsiteCache
  • %USERPROFILE%\AppData\Roaming\Microsoft\SharePoint Designer\ProxyAssemblyCache
  • %USERPROFILE%\AppData\Roaming\Microsoft\Web Server Extensions\Cache

If the problem still persists, try to delete the previous folders.


The current account doesn’t have local privileges.

If you are working on the Server, try to add the current user to Local Administrator Group.

Add the farm account to the local administrator group


“WSS.Actions” file contains a reference to a custom action.

If the problem still exists that means the Workflow actions has been extended with a custom action that developed in Visual Studio, These custom actions are loaded when your workstation reads the WSS.ACTIONS file on the server.

So to overcome this issue, try to delete “WSS.Actions” file as the following:

  • Go to The file location in the 14/15 hive under Template\1033\workflow.
  • Take a “WSS.Actions” file backup then remove it.

"WSS.Actions" file contains a reference to a custom action.

  • Restart SharePoint Designer that should be now worked properly.

Applies To
  • SharePoint.
  • SharePoint Designer 2013.
  • SharePoint Designer 2010.
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2 thoughts on “The list of workflow actions on the server references an assembly that does not exist. Some actions will not be available in SharePoint Designer

  1. Hi

    How to know the custom action in the WSS.actions file. I didn’t find any dll or try word in that file. And the problem is persist.

    Thank you for quick reply

    Like

  2. You are an awesome blogger. This is one of the best blog I had visited so far. Hope to read more post from you in the future. Keep it up. God bless.

    Like

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