Solutions :-
Vendor- A vendor is a company or person that sells goods or services. How it works/Example: Vendors sell accounting services, food, electricity, hair styling, maid service, toilet repair, and just about anything else imaginable.

To create vendor follow these steps in ERP -

Click on Master > click on  Vendor > click on add > add the name of the vendor with the nature of the vendor as Cr. Or Dr.

A list of the vendor will be visible to you at the time of any voucher entry.

If you will create Vendor then it will automatically create an account of the vendor in the account module.

Fill all the information with the Account group and city as mandatory.

You can create Item and Vendor from the store and purchase both.