One field is not translatable with Polylang

In general, the "Clean Enterprise Pro" theme works very well with Polylang. But, a field cannot be translated. Customizer> Theme Options> Contact Info> Map Type The affected field is (when I select "Custom Code"): "Add google iframe maps code" Polylang cannot find this field for translation. Google uses different map codes for e.g. German and English. In particular for the implemented links such as "View larger map", "Terms of use" and "Report a map error", as well as text such as "Map data". Strangely, it works for all fields for the "Header Top" under Customizer> Theme Options> Header Options. I hope you can help me.