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?
In order for the DI-API to communicate it requires certain inbound Firewall ports to be open.
How to fix it?
In the firewall that hosts the 'SAP Server Tools' open inbound firewall ports 30000, 30010, and 40000 [Boyum cannot help with firewall related issues beyond this text]
Video how to fix: