As you have just signed up, there is no data on Mattermaps yet. It needs to be fed with data in order to start sharing /requesting PCF.

Steps to take to answer the PCF request coming in from your customer:

1- Open the Product Task (the request received from your customer).

2- Review the Request Overview tab. Try to understand what is requested, in which format, from which location etc.

3- Click "Proceed to Share PCF". You will see the below screen /error:

This means, in order to share the PCF, first you need to create a product.

4- Click "Add Product", once clicked you will see the below page:

5- This means you need to first add the product identifier type in order to create your first product.

6- Click on "Add Product Identifier". You will be directed to Company Configuration page to add a Product Identifier Type.

7- Simply Click on "Add Identifier" button and type in the product identifier type or types. You can add multiple identifier types and you can make those additional identifier types mandatory as well if needed.