When opening a task , created by a Request Data action (edit item) to complete the task I run into an error:
"The control type 'Nintex.Workflow.ServerControls.ApproverSecurityCheck' is not allowed on this page. The type Nintex.Workflow.ServerControls.ApproverSecurityCheck, Nintex.Workflow.ServerControls, Version=188.8.131.52, Culture=neutral, PublicKeyToken=913f6bae0ca5ae12 could not be found or it is not registered as safe"
Other tasks types and Nintex workflow editor give no problem.
What can be the problem?
Background info that might help: Previously I installed trial version Workflow Enterprise and Nintex Forms. Customer bought only Workflow Standard license. I deactivated Forms solutions.