dear team!

i have an contact-form wich uses the sp-page-builder contact-addon. if i try to send the form i get the following error in the developer console: Uncaught SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data success https://www.liendl.at/components/com_sppagebuilder/assets/js/sppagebuilder.js?4049a7f8a0753d253931e43d3f0d73f4:9 jQuery 6 <anonymous> https://www.liendl.at/components/com_sppagebuilder/assets/js/sppagebuilder.js?4049a7f8a0753d253931e43d3f0d73f4:9 jQuery 8 <anonymous> https://www.liendl.at/components/com_sppagebuilder/assets/js/sppagebuilder.js?4049a7f8a0753d253931e43d3f0d73f4:9 jQuery 13

could you please correct this error.

best regards daniel