3271510 - [Error Message] Could not retrieve available approval workflows. You are not a member of the connected Workflow Accelerator workspace. Please contact your workspace administrator.

A few users in our team are erroring out when they try to imitate approval workflow.
They were able to initiate yesterday, but today they are getting errors. 

[Error Message]
Could not retrieve available approval workflows. You are not a member of the connected Workflow Accelerator workspace. Please contact your workspace administrator

Use the user has no account at all in the SWA org
Enabled 'Use workflow access permissions' under setup

The error is occurring in when the user has no account at all in the SWA org and the option Use workflow access permissions is enabled.
Please check whether the 'Use workflow access permissions' is enabled and if yes, please disable it then the error will be fixed.

In Editor> Setup> Manage approval workflows
Disable the "Use workflow access permissions" option and Save

For the details please refer to: https://help.sap.com/docs/signavio-process-manager/workspace-admin-guide/access-for-approval-workflows?locale=en-US

Workflow，Error，User , KBA , BPI-SIG-CA-AWF , Approval Workflow for SAP Signavio , Problem