Failed to persist entry: API_ERROR: tree.path contains a malformed path component

continentalecoservice / http://continental-eco.ru

Hello, please help me find a solution for this issues when i try to save form in admin panel, i have error message like ( Failed to persist entry: API_ERROR: tree.path contains a malformed path component )
i share screen shot from my config.yml , maybe issues in there

hi there @continentalecoservic - this was filed in the wrong area which is why your post didnt attract much attention! i have moved it, also, there is this guide which is worth looking into: