i have a litle problem with my amp google data

Errors may cause your page or feature to not appear in Search results. The following error was found on your site: Custom JavaScript is not allowed. Found tags outside the document head that are only allowed as direct descendants of the document head. Only amp-boilerplate and amp-custom 'style' tags are allowed, and only in header documents. Top Alert Warnings are suggestions for improvement. some warnings can improve your appearance on Search; some may become errors in the future. The following warning was found on your site: Errors in mandatory structured data elements fix the issue where possible so that your site can provide the best coverage and experience on Google Search. Fix AMP issues my web is www.en.indojobku.com