To Non-Mandate the reason for updating a request field, please use the below queries:
These queries will have to be executed in the Database:
select * from helpdeskdetails where displayname = 'portalname';
update globalconfig set paramvalue=false where parameter like 'IS_UPDATE_REASON_MANDATORY' and helpdeskid = <helpdeskid>;
Notes:
1. Replace portalname with the name of the portal
2. Replace the <helpdeskid> with the ID from the select query
3. A restart of the Application is needed.