Configuring category selector - error while selecting layer

Question

Hi! Requiring some help here: I am new to Dashboards and I want to configure a category selector which will be a "Year" field of a layer (points; grouped values). However, when I try to select the layer I need, it seems impossible. The little question mark to the right tells me "Statistics not supported by the layer". Do you know what is wrong and what should I do in order to interect with this layer? I have the same problem for my other layer (polylines). It only seems possible to work for my first layer here as you can see.

lmott · Answer

Where is your data from?

https://gis.stackexchange.com/questions/156610/what-are-the-requirements-to-set-supports-advanced-queries-true-on-a-feature-l

https://transparentgov.net/cleargov1/820/how-to-turn-on-advanced-queries

ZélieSchuhmacher · Answer

Thanks Laura! The field is a text file (string).

"supportsAdvancedQueries": false,
 "supportedQueryFormats": "JSON, geoJSON, PBF",

Here is what I have. The "advanced" queries do not seem to be supported indeed... How can I change that?

lmott · Answer

Is your field specified as a date? Hosted feature service? If you go to the rest service does it say it supports queries? You can click json and then search for supports queries