Welcome to Qsm Pro Support Forum. Hope you are having a great.
It seems like you are having either plugin or theme conflict. Next thing to do is to check for any plugin conflict or theme conflict. To do this, disable all of the plugins at once and enable them one by one by checking which one is causing the conflict. If this does not resolve the issue, change the website’s theme to another theme and check whether the issue is resolved or not.
Please let me know regarding the same.