Why can't I open a GEONIS server mask when I use a custom language?
GEONIS server mask cannot be opened, in the logs there is the following message: "Culture is not supported. Parameter name: name cu is an invalid culture identifier."
You should check if you have registered the appropriate CU culture. The language must be registered on the server where ArcGIS Server is running. This can be created using the GEONIS Culture Tool.
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