Server path issues usually occur when the calendar is moved from one server or directory to another or your server can't provide the correct paths to the calendar script. The paths in the calendar/calendar.php would need to be updated to reflect the changes.
All server paths are different and your web host provider would be best to provide the correct information needed for the paths if you have having an issue finding the correct ones.
Easy PHP Calendar 7, Correcting Paths:
Please consult with your web host provider / server administrator for this information and manually enter it into the calendar.php file. You can also do this if you already know the paths and want to manually update them yourself.
Easy PHP Calendar 6, Correcting Paths:
There are three possible ways to correct the paths:
1) Usually the calendar can determine the correct paths. This can only happen if the paths in the calendar.php file are blank and the calendar.php file is writable (see Changing file Permissions).
There are two paths that need to be modified in the calendar.php file to appear as the paths below. After modifying the paths, make sure to upload the updated calendar.php file to the server:
Afterward, log in to the Setup Manager and the calendar will try to determine the paths.
2) Optionally, just upload a new calendar.php file from the calendar distribution (available on the Free Download page of our web site) which will cause the calendar to try and fix the paths. When the calendar updates the paths automatically, you will see an message this has happened the fist time you log into the Setup Manager. Be sure to secure the calendar.php file after the paths are updated.
3) In the rare instance when the calendar can't determine the paths, please consult with your web host provider / server administrator for this information and manually enter them into the calendar.php file. You can also do this if you already know the paths and want to manually update them yourself.