I'm getting a 404 error when trying to go to Content > Edit via the admin, as well as Content > Edit > My Channel.

EE v2.10.3

Installed Extensions:

enter image description here

The error:

404 Page Not Found
The page you requested was not found.

It may be related to this issue: Editing entry in backend: "The file cannot be found", however I cannot access the Content > Edit area of the admin at all, it's not just one particular entry. This is also a new install with very little content / entries created so far.

I've tried:

  • Disabled all extensions (no change)
  • Enabled all debugging (nothing more is output on the error page)
  • Edited the /expressionengine/libraries/Mime_type.php as mentioned in the above link (this did not change the error message for me and I didn't not get a file path)
  • Re-uploading all EE core files (no change)

I found the file that is outputting the error message at /codeigniter/system/core/Exceptions.php and it says:

// By default we log this, but allow a dev to skip it

I couldn't find the error logged anywhere though. And developer log just has 3 errors for add_to_head() being deprecated (which I've seen in other installs and hasn't caused any issues):

enter image description here

Any ideas what could be causing this issue?

1 Answer 1


EE Support fixed this for me (yay!). It turns out the /system/expressionengine/controllers/cp/content_edit.php file was blank - though I had uploaded the core files twice... nonetheless, answering this in case anyone else runs into the issue or similar.

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