Server-side activities have been updated. You need to restart SharePoint Designer to use the updated version of activities. – Tips &Tricks
Server-side activities have been updated
Error while saving a workflow via sharepoint designer: Server-side activities have been updated. You need to restart SharePoint Designer to use the updated version of activities.
Server side activities have been updated. You need to restart SharePoint Designer to use updated version of activities – My Sharepoint Resource
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Server-side activities have been updated
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SP Designer Workflow error :Server-side activities have been updated. You need to restart SharePoint Designer to use the updated version of activities. – DVSN10 SHAREPOINT BLOG