Troubleshoot and resolve Invalid Key errors while using the Software Licensing addon. Troubleshoot and resolve the Software Licensing addon generating a new key with each request. Troubleshoot and resolve Remote Check Failed errors with the Software Licensing addon module. Troubleshoot and resolve Unable to accept the template: the following limitations are exceeded errors. Troubleshoot and resolve connection errors in Live Chat. Troubleshoot and resolve button and display issues in Live Chat. Troubleshoot and resolve `License Invalid` errors and problems logging in to Live Chat. Troubleshoot and resolve Incorrect Server/Host errors in Live Chat. Troubleshoot and resolve problems with sending SMTP mail while using the Live Chat addon module. Troubleshoot and resolve Local Delivery Failed errors. Troubleshoot and resolve LogicException: The template could not be found errors. Troubleshoot and resolve Login Details Incorrect errors. Troubleshoot and resolve Login Failed errors. Troubleshoot and resolve issues with sessions not being removed. Troubleshoot and resolve Logon failure: unknown user name or bad password errors. Troubleshoot and resolve users logging out while downloading invoices. WHMCS logs all activity, admin logins, gateway communications, sent and received email communications, and domain lookups. You can also configure the system to log errors and warnings. Troubleshoot and resolve cannot select INBOX, is this a valid transport? errors. Troubleshooting and resolving 404 errors in MarketConnect. Troubleshoot and resolve INVALID_LICENSE_KEY errors while using MaxMind for fraud protection checks.