error starting appscale

[Methos Shas]

I am getting error in appscale up

root@appscale-image0:~# sudo appscale up

Starting AppScale 3.5

Log in to your head node: ssh -i /root/.appscale/appscale8939d4016d30484bbc5a485bb7dc2753.key ro...@10.22.12.208

Starting AppController at 10.22.12.208

Please wait for the AppController to finish pre-processing tasks.

Head node successfully initialized at 10.22.12.208.

Saw Exception while setting AC parameters: Error: layout is missing role appengine.

AppController at 10.22.12.208 crashed for reasons unknown.

A log with more information is available at

/root/.appscale/log-6200c9e4-29b0-48eb-abc4-239dae21a3c1

And log file shows

cat /root/.appscale/log-6200c9e4-29b0-48eb-abc4-239dae21a3c1

stacktrace : Traceback (most recent call last):

  File "/usr/local/lib/python2.7/dist-packages/appscale/tools/scripts/appscale.py", line 46, in main

    appscale.up()

  File "/usr/local/lib/python2.7/dist-packages/appscale/tools/appscale.py", line 305, in up

    AppScaleTools.run_instances(run_instances_opts)

  File "/usr/local/lib/python2.7/dist-packages/appscale/tools/appscale_tools.py", line 786, in run_instances

    RemoteHelper.start_head_node(options, my_id, node_layout)

  File "/usr/local/lib/python2.7/dist-packages/appscale/tools/remote_helper.py", line 336, in start_head_node

    raise AppControllerException(message)

AppControllerException: AppController at 10.22.12.208 crashed for reasons unknown.

exception : AppControllerException

tools_version : 3.5.0

platform : Linux-4.4.0-119-generic-x86_64-with-Ubuntu-16.04-xenial

message : AppController at 10.22.12.208 crashed for reasons unknown.

runtime : CPython

[Chris Donati]

The "appengine" role was replaced with "compute" in AppScale 3.5.0. It looks as if you are using a new version of the tools with an older version of AppScale. I would recommend logging on to the head node and confirming that the git repo at /root/appscale is on the 3.5.0 tag.

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