Error Message:  When you try to change Parent Company then error message comes : “A customer record with this ID already exists. You must enter a unique customer ID for each record you create.  To correct this record, click back and enter a new customer ID in the Customer ”.   Solution:  There are 2 ways: When you remove the Parent Company of Sub-Customer Record ,  change the name of record and enter unique name. Enable Allow Override on the Customer record.         1. Go to Setup > Company > Auto-Generated Numbers . 2. Enable Allow Override for Customer . 3. Save. 4. Go to the Customer record 5. Remove the Parent Company 6. Click on save button Download Netsuite Guru Android App Follow Me on Linkedin Our FB Page