Support

When going to the backend of a website is get the following error:
Warning: include_once(/home/xxxxx/public_html/libraries/fof30/Date/Date.php): failed to open stream: No such file or directory in /home/xxxxx/public_html/plugins/system/admintools/admintools.php on line 88

Warning: include_once(): Failed opening '/home/xxxxx/public_html/libraries/fof30/Date/Date.php' for inclusion (include_path='.:/opt/alt/php71/usr/share/pear') in /home/xxxxx/public_html/plugins/system/admintools/admintools.php on line 88


When I login the next errors occur:
Warning: include_once(/home/xxxxx/public_html/libraries/fof30/Date/Date.php): failed to open stream: No such file or directory in /home/xxxxx/public_html/plugins/system/admintools/admintools.php on line 88

Warning: include_once(): Failed opening '/home/xxxxx/public_html/libraries/fof30/Date/Date.php' for inclusion (include_path='.:/opt/alt/php71/usr/share/pear') in /home/xxxxx/public_html/plugins/system/admintools/admintools.php on line 88

xxxxx... (Name of the website)
Error
An error has occurred.

0 Failed to start the session because headers have already been sent by "/home/xxxxx/public_html/plugins/system/admintools/admintools.php" at line 88.

Return to the controlpanel
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What is causing the error and how to solve it?

With regards.

Renaming the main.php file didnt work.
I renamed the entire admintools folder and got access again.
(Re-)installed Admintools again and imported the settings.
It works again.

Many thanks for the quick & clear answer Davide.

Ticket can be closed.