I am having the most bizarre bug.
I am getting the following error:
Fatal error: Class 'SmtpMailer' not found in /application/_config.php on line 122
The line involved is
The strange thing is, the website displays correctly for some users. They don't get the bug.
I added some `print "abc";` code in the _config.php to see if something was cached, but very bizarrely I can see the print result before the bug and also before the site correctly rendered.
I tried ?flush=1 and /dev/build, but nothing seem to fix this issue.
Any idea as to what it could possibly be?