cubicweb-brainomics #2755959 link to schema points to Noneschema [done]

I have a created a new cubicweb-brainomics instance on our server. The Link "schema page to see the structure of the data !" points to I have probably forgotten to modify something in all-in-one.conf but I don't know what. There is no easy way to debug this Noneschema issue. Can you help?

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patchCannot find another way to fix broken link [rejected]