cannot add widger error message instead

This is the error message:

TypeError: Cannot read properties of undefined (reading 'get')
    at Ne._createWidget (https://pasaretklima.hu/wp-includes/js/dist/customize-widgets.min.js?ver=d8452f9e7fda5358f91d7fa9b955e706:7:30126)
    at https://pasaretklima.hu/wp-includes/js/dist/customize-widgets.min.js?ver=d8452f9e7fda5358f91d7fa9b955e706:7:31211
    at Array.map (<anonymous>)
    at Ne._updateWidgets (https://pasaretklima.hu/wp-includes/js/dist/customize-widgets.min.js?ver=d8452f9e7fda5358f91d7fa9b955e706:7:31117)
    at Ne.setWidgets (https://pasaretklima.hu/wp-includes/js/dist/customize-widgets.min.js?ver=d8452f9e7fda5358f91d7fa9b955e706:7:31406)
    at https://pasaretklima.hu/wp-includes/js/dist/customize-widgets.min.js?ver=d8452f9e7fda5358f91d7fa9b955e706:7:17162
    at pt (https://pasaretklima.hu/wp-includes/js/dist/vendor/react-dom.min.js?ver=17.0.1:9:44204)
    at ht (https://pasaretklima.hu/wp-includes/js/dist/vendor/react-dom.min.js?ver=17.0.1:9:44658)
    at Object.useState (https://pasaretklima.hu/wp-includes/js/dist/vendor/react-dom.min.js?ver=17.0.1:9:107007)
    at e.useState (https://pasaretklima.hu/wp-includes/js/dist/vendor/react.min.js?ver=17.0.1:9:10899)

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