unable to load workflow actions from the server. please contact your server administrator

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unable to load workflow actions from the server. please contact your server administrator:


   This error will happen because of your deployed webparts(that may be not present or not deployed correctly).
   So you cant open or create a work flow.

To solve this:


1.Open web.config file from
C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\TEMPLATE\LAYOUTS

Change the following in web.config 
<customErrors mode="Off"/>
 
 

2.In your site go to 
site actions->site settings->site administration ->workflow
There it will show in which web part error is present.


3.Go to central administrator
system settings->farm management->manage farm solutions

there you will find all the deployed web parts.Just click on the error web part which was shown in above step.And click Retract solution and click ok.


4.Again go to your site error page(mentioned in step 2).Refresh the page.
If there is no error means you can open workflow.Otherwise do it for next error webpart which was shown in that page.

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