Thank you for your inquiry. Please make sure you have correctly placed the license file as well as what is right calls it. Please read here and here the articles in our documentation.
If the problem persists, could you please make a small test application that would help us to simulate the problem on our side.
Thank you for additional information. From this we can conclude that the problem with the server instead of license file or the library. Please make sure that an application has access to the license file. Try to read the lic file programmatically.