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Hi, I have installed the RiverGIS extension under QGIS 3.0.3. All buttons are gray and inactive. I cannot chose from database connections nor can I create new ones. I have reinstalled the extension, but this did not help.

Is there a fix for this problem?

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Hi Simone,

Try to create a new PostGIS connection as described here:

RiverGIS supports both, basic and configured, authentication methods.

Having a connection defined please restart RiverGIS and you should be able to choose your connection and use the plugin.
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