Problem
You see the following Oops!
error:
main(): Failed opening required '/path/to/whmcs/..filename.php'...
Cause
A required file is missing (in this example, /whmcs/includes/orderfunctions.php
).
Solution
Upload the missing file to the folder path in the error message.
- We recommend reuploading of all the WHMCS files to ensure that no other files are missing.
- Make certain that you successfully overwrite all of WHMCS’s files.
You can download a Full Release version of WHMCS’s files in our Members Area.
Last modified: September 10, 2024