SAP DI-API Error "100000048 - No SAP licenses"

New to B1 Usability Package? Check this 5-minute overview for easy SAP Business One Automation, Reporting, Screen Customization, and more!

What is the reason for this error?

The SAP user you try to log in with is not assigned an SAP License. 

How to fix it?

Please log into the B1 Client and under Administration > License > License Administration assign a license to the user.

Video how to fix this