The creator of an agreement instance is not able to edit the same. It needs explicit edit rights
STEPS TO REPRODUCE
Expected Results: Name to be changed.
Actual Results: You get an error: API-1007 : You are not authorized to process request. Contact your system administrator for necessary security rights.
Clarity 16.3.3, 16.4.0, 16.4.1
This is caused by DE181463
Agreement object access rights were designed on the way they are currently working.
Engineering will revisit the security rights of the Agreement object under a user story. This should be available in a future release
Workaround: Grant Agreements Edit rights to the user
As the Agreement creator you should have edit rights over the instance you created.
On the Details flyout and the Properties module fields are read only.
There is no automatic right granted for agreements
Also see another scenario with Agreement access rights that will be addressed through the same user story Agreements workspace access without Agreements - Navigate right