Hi,
This message comes on to the browser when your WM server is not started properly may be du to :
1. licnense file is missing/invalid
2. library confliction occurs in linux platform
3. Database connction failed to establish
4. Java Heap size exceeds
5. failed to start apache server
To troubleshoot this issue, you should required to invoke "startWM.bat" OR "startWM.sh" located under "C:\Cambium\WM\server\bin\" OR "/usr/local/cambium/wm/server/bin/" folder resp.
Observe the output of above script and let us know results.