I everyone,
I have an Oracle Apex application in which i define a workflow (let call it laptop_request_approval), when i submit a workflow process the workflow definition had no Workflow administrator define. At same point one of the workflow activities faulted, so i need to update a specific workflow instance variable so i can retry the workflow. But the message is:

As i say when i define the workflow, there was not a Workflow Administrator:

I want to update a variable as a Workflow Owner or another way to update a variable value.
Another solution i need is a way to set a business Workflow administrator of a workflow instance.
Could you please help me.