Hey brother, first try clear your browser's cache and cookies. This can sometimes help to resolve issues with websites and online tools.
secondly, please make sure you're not using any special characters in your keyword search.
and these two suggestions do not solve your problem, then contact the tool's support team. If you've tried all of the above and you're still getting the error, contact the keyword research tool's support team for assistance.
Thanks
Manzar Mashhood
CEO and Founder
https://manmash.consulting/