You may get the Portal error (screenshot) when amending a Permit so you can't complete it. 


  1. First go to the Permit library 
  2. Find the linked Permit Id 
  3. Check the Permit start date and Permit end date 
  4. This example the dates made the period over 3years 
  5. Resolve by amending the Permit start date and you should be able to complete your case