Syntax error in querySelector

[embeddedjunkie]

This was observed on 1.17.4 and 1.17.5(it wasnt introduced as part of this most recent update)

SyntaxError: Document.querySelector: 'button:has(polygon[points="11.698 20.334 22 3.001 2 3.001 9.218 10.084 11.698 20.334"])' is not a valid selector 38 Instagram Download Button:157
checkExistTimer user-script:https://github.com/y252328/Instagram_Download_Button/Instagram Download Button:157
(Async: setInterval handler)
userScript user-script:https://github.com/y252328/Instagram_Download_Button/Instagram Download Button:136
userScript user-script:https://github.com/y252328/Instagram_Download_Button/Instagram Download Button:676
scopeWrapper user-script:https://github.com/y252328/Instagram_Download_Button/Instagram Download Button:697
user-script:https://github.com/y252328/Instagram_Download_Button/Instagram Download Button:698
inject resource://gre/modules/ExtensionContent.jsm:599
AsyncFunctionNext self-hosted:756

[sn-o-w]

@embeddedjunkie This error occurs when the Share button on a post is missing. This is possible for posts from private accounts. Private account posts cannot be shared.