this is the output of the above
```python
Traceback (most recent call last):
  File "/home/stdweird/.local/lib/python2.7/site-packages/easybuild_framework-1.2.0dev-py2.7.egg/easybuild/main.py", line 1260, in <module>
    main()
  File "/home/stdweird/.local/lib/python2.7/site-packages/easybuild_framework-1.2.0dev-py2.7.egg/easybuild/main.py", line 307, in main
    robot_path=options.robot)
  File "/home/stdweird/.local/lib/python2.7/site-packages/easybuild_framework-1.2.0dev-py2.7.egg/easybuild/tools/parallelbuild.py", line 57, in build_easyconfigs_in_parallel
    log.raiseException('Failed to connect_to_server')
  File "/home/stdweird/.local/lib/python2.7/site-packages/easybuild_framework-1.2.0dev-py2.7.egg/vsc/utils/fancylogger.py", line 202, in raiseException
    raise exception(message)
NameError: Failed to connect_to_server (global name 'pbs' is not defined)

```

raiseException is more then fine for this.