Database/tables not working/loading when published

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You are getting an error message:
Wix code SDK error: The id parameter of item at index 2 is required for columns method.

The reason for this is an incorrect columns property for the Table. You had three columns (the third one was null which caused an error), and the dataPath parameters were incorrect. Not sure why you have this since it’s not really needed, but if you really insist, it should look something like this:

$w("#table1").columns = [{
 "id": "col1",
 "dataPath": "title",
 "label": "title",
 "width": 100,
 "visible": true,
 "type": "string",
 }, {
 "id": "col2",
 "dataPath": "newField11",
 "label": "Location",
 "width": 100,
 "visible": true,
 "type": "string",
 }];

You’ll also need to correct the columns parameters on the Course page.

I hope this helps.

Yisrael