wixData in http-functions.js returns empty <BODY>

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,
1

I created backend/http-functions.js. It loos like this:

import {ok, notFound, serverError, badRequest} from ‘wix-http-functions’;
import wixData from “wix-data”;

export function get_apartmentslist() {
let options = {
“headers”: {
“Content-Type”: “application/json”,
“Access-Control-Allow-Origin”: “*”,
},
‘body’ : {1:‘Hallo JSON!’}
};
return ok(options);
}

In the moment when I want to use:

let dataOptions = {
“suppressAuth” : true ,
“suppressHooks” : true
};
// query a collection to find matching items
wixData.query( “Properties” ,dataOptions)
.find()
.then( (results) => {
// matching items were found
if (results.items.length > 0 ) {
options.body = {
“items” : results.items
};
return ok(options);
}
} )
I get empty and blank page. Rights for DB I allowed all.
Where could be a problem? Thank you.

My script is hier: https://juliamassabni.wixsite.com/palazzomachiavelli/_functions-dev/apartmentslist