Doors Bridge GUI not configuration giving error message Code null:null

[SRINIVASAlANKA]

I Installed Doors bridge 1.7 version build 70. I am able to be accessing all Doors bridge rest API's but by using Doors bridge URL In the Doors Bridge GUI I am trying to configure Codebeamer Project to Doors project/Folder it giving as error message code null: null . Below I attached the error snap How fix this issue I need to integrate the  Codebeamer to Doors.

I Installed Doors bridge in where the Doors client is installed. (Doors Client Version 9.7.2.9). 

Codebeamer we are using 2.1.0.0 version.

[Catalina]

Hi @SRINIVASAlANKA 

Thank you for your question. 

Your post appears well documented but has not yet received any response. I am replying to raise awareness. Hopefully, another community member will be able to help.

Also, feel free to add any additional information you think might be relevant.

Best regards,