New and Edit buttons (UI Actions) not visible for ITIL role on Change Task 'Predecessor of 'and 'Successor of' related lists.Issue If using the execution plan functionality for Change Management process. When creating a change, during the assessment phase the system attaches the execution plan and automatically creates the implementation tasks for the change record. The tasks are managed during the implementation phase using the order specified in the execution plan. If you need to insert a manual task in the implementation plan, by clicking the 'New' or ' Edit' buttons on the "Predecessor" and "Successor" Related lists, You can only do so if you have the admin role. ITIL users don't see the UI Actions on the related lists.CauseThe "Task sequencing" table (execution_plan_local) doesn't have any create ACLs on it. By default only the admin user will be able to create a record using the UI Actions on the "Predecessor of" and "Successor of" related lists, ITIL user does not have the UI ActionsResolutionAdd a create ACL on the "Task sequencing" (execution_plan_local) table to allow ITIL users "create" and "write" access.