Notes
If you cannot login WHMCS dashboard after migration or some server’s change like PHP update
The admin page may resets and doesn’t allow you to login
First of all I advise you to check if you have correct session.save_path inside yo PHP settings
Then one of possible problem may be outdated PHP settings like below:
php_value session.save_path… Read the rest
WHMCS Error:
Error: Call to undefined method WHMCS\Http\Client\HttpClient::requestAsync() in
Rename vendor/ and modules/ folders
root@server [/home/user/public_html/hosting]# mv vendor/ vendor_old root@server [/home/user/public_html/hosting]# mv modules/ modules_old
Upload fresh appropriate WHMCS version files into temp folder, for example: whmcstemp/
Copy vendor/ and modules/ folders from whmcstemp into your WHMCS installation folder:
root@server [/home/user/public_html/hosting]# cp -rp ../whmcstemp/vendor/… Read the rest
Server's logs where you can see 404 not found error
"GET /xml-api/suspendacct?user=hiden&reason=test HTTP/1.1" 404 0 "-" "-" "a" "-" 2087 "GET /xml-api/suspendacct?user=hiden&reason=test HTTP/1.1" 404 0 "-" "-" "a" "-" 2087 "GET /xml-api/suspendacct?user=hiden&reason=test HTTP/1.1" 404 0 "-" "-" "a" "-" 2087
The cause of this usually outdated WHMCS version
Support for the XML-like output of our API was removed from the product in cPanel & WHM version 74:
Removed XML output in API functions
In cPanel & WHM version 74, we removed the Extensible Markup Language (XML) output format from all of our API functions.… Read the rest