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4	4	(% class="wikigeneratedid" %)
5	5	For more information on the Collaboratory, please seee the [[documentation of the EBRAINS Collaboratory environment>>https://wiki.ebrains.eu/bin/view/Collabs/the-collaboratory/]].
6	6
	7	+== Temporary problems ==
	8	+
	9	+Currently none known.
	10	+
7	7	== Jupyter notebook environment ("Lab") related ==
8	8
9	9	=== Error message "Error in Authenticator.pre_spawn_start: ... 401: Unauthorized" ===
...	...	@@ -33,20 +33,11 @@
33	33	[[image:1623846323177-898.png||height="287" width="350"]]
34	34
35	35
36		-=== Test jobs make problems at Jülich ===
	40	+=== Import error for hbp_service_client ===
37	37
38		-Since August 2021 accessing the "Lab" link in the left hand navigation menu brings up a site selection menu:
	42	+The hbp_service_client was needed for the now not-existing-any-longer Collaboratory version 1. The import line can be deleted from scripts.
39	39
40		-[[image:Screenshot 2021-08-30 at 19.00.59.png||height="252" width="300"]]
41	41
42		-Via choosing a different lab execution site it is be possible to choose a specific site, if there are specific needs for the created Jupyter virtual machine for a given task (e.g. a large memory requirement). Currently all the examples do not need any site specific features, so you can select in principle any site. The "safe choice" is to use CSCS as the primary execution site.
43		-
44		-
45		-=== ===
46		-
47		-
48		-
49		-
50	50	== BrainScaleS-2 specific ==
51	51
52	52	The [[BrainScaleS external user chat>>https://chat.bioai.eu/external-users/channels/town-square]] has service announcements (e.g. when a system is down due to maintenance) and is also a good place to ask general questions.