How to make entry of each customer opening balance in Account Module?

Hello !!

I have some problems with the setup account module for the company.
First of all, We need to set each customer opening balance in ERPNEXT, so we can carry forward all transactions from erpnext. so how can I enter the opening balance for each customer?

Check out the opening invoice creation tool:

https://docs.erpnext.com/docs/user/videos/learn/opening-invoice-creation-tool