how to downgrade to DS 1.x.x

About the hanging issues, maybe can you attach the zipped DS log here? (.log file(s) located in yout workspace “.metadata” folder)

Concerning debugging, there are some pitfalls to avoid around the topic.
Please have a look since they all may have been covered in other thread(s):

  • maybe take time to have a look at the video tutorial:
    Video Tutorial