The json file is not found or has a problem. Check it here: https://www.sdewarburg.co.il/wp-content/uploads/2019/08/open-houses.json
You may also want to validate the json content format here: https://jsonlint.com/
The json file is not found or has a problem. Check it here: https://www.sdewarburg.co.il/wp-content/uploads/2019/08/open-houses.json
You may also want to validate the json content format here: https://jsonlint.com/