Answer : Regarding to this issue, OfficeCentral system will not auto generate automatically for the inventories that does not have existing pricebook. Users need to create a new pricebook first and then the inventory will be auto created after that. 


You can follow this step to add new pricebook :


1. Go to module CRM > Pricebooks > Pricebooks > Add New.


2. Then you will go to 'Add New' page.



Number
Description
1Key in product code. Example "001".
2Add name for that product.
3Key in bar code scanner.
4Key in the minimum order for the product
5Please state description of the product.
6"Royalty Percentage" form is use for the company that sell the books. It is use for the company pay the royalty percentage to the author of the books.
7Select “Available for Purchase” if the item is ready to be sold. If you only want to key in the data but the item is not yet ready to be sold, please choose “Not Available for Purchase”. If you choose this option, you can key in the data required, however you will not be able to select the item when preparing quotation, etc.
8Please select to track or not to track stock.
9Please select the category for your pricebooks. This category is based on "Pricebooks Catgeory" that had been created before.
10Upload image for your item. 
11Please key in initial quantity of unit to be added in your inventory
12Key in the cost of your product.
13Key in measurement unit of the item
14Select relevant tax code for supply and purchase.
15Key in MISC cost if any.
16Select the service/goods category for your item. 
17Key in price per unit for your item based on currencies that your company used.


3. After finished fill in the form, click button "Save".