Message

You cannot open window [%d] %s with your current license

Diagnosis

You have logged on to SAP Business One as a superuser and have opened the License Administration window, Allocation tab.

You have selected a user with the Professional User license and have unchecked Professional License in the Used column.

You have logged out and logged in as this user and tried to open windows that you were able to open with the professional license.

Procedure

As a Superuser, choose  Administration License License Administration and grant the user the required license.