Invalid Charge Reference
Go to Billing - unprocessed ERN's - and click process you will receive an Invalid Charge Reference Warning....
It will then match that charge and remove the pink warning from the patient. You follow the same steps on each one.
Deleting an Unapplied Check
Once you have processed an ERN and realize it shouldn't have been processed and needs to be removed and put back as an unprocessed ERN, you can delete in the unapplied checks.