Google sheets error (non-stop loading)
Google sheets issue
You might need to update to the latest version. This can be done by uninstalling and then performing a reinstall of the clicksend integration.
Please keep in mind that if you are logged in to multiple accounts with the same browser it won’t work.link - https://developers.google.com/apps-script/guides/projects#fix_issues_with_multiple_google_accounts
If you’re logged into multiple Google Accounts at the same time, you might have trouble accessing your add-ons and web apps. Multi-login, or being logged into multiple Google Accounts at once, isn’t supported for Apps Script, add-ons, or web apps.