Wiki | Community | Discussion Forum | Q&A

Problem running 3d reconstruction exercise in remote backend

I am getting an error when I try to open 3d reconstruction exercise in remote backend mode.

The trace:

ValueError at /academy/exercise/3d_reconstruction/

empty range for randrange()

Request Method: GET
Request URL:
Django Version: 2.2
Exception Type: ValueError
Exception Value: empty range for randrange()
Exception Location: /usr/local/lib/python3.8/ in randrange, line 216
Python Executable: /usr/local/bin/python
Python Version: 3.8.13
Python Path: [’/unibotics-webserver/jderobot_academy’, ‘/unibotics-webserver/jderobot_academy’, ‘/unibotics-webserver’, ‘/usr/local/bin’, ‘/usr/local/lib/’, ‘/usr/local/lib/python3.8’, ‘/usr/local/lib/python3.8/lib-dynload’, ‘/usr/local/lib/python3.8/site-packages’]
Server time: Wed, 30 Mar 2022 16:26:53 +0200

Hello, does this error give you whether you are in local backend or remote?

Hi @dmariaa,
this issue has been solved, there was a problem with the computer farm management in the release of Unibotics 3.3.0. The RemoteBackend is running fine since yesterday evening. Thanks for noticing!