Perm level for filed

i have child table called Appraisal goal and its have one filed called Ratting supervisor and its perm level 1. but when i edit this field the save button is hiding and even workflow button is hiding.

  1. first employee save and apply.
  2. Appraisal Verify, verified.
  3. Appraisal Approver, Approved.

but when i edit the perm level field by Appraisal Verify, save button is not coming and even workflow button also hiding.

as soon as i edit Ratting (Supervisor) filed, save button is not coming and action button also hiding.