Carlos S. Posted April 26, 2016 Share Posted April 26, 2016 Every time I enable dev mode on my test site I get this error define( 'IN_DEV', TRUE ); Fatal error: Uncaught exception 'ErrorException' with message 'Cannot modify header information - headers already sent by (output started at /home2/moomingaming/public_html/test/constants.php:1)' in /home2/moomingaming/public_html/test/init.php:542 Stack trace: #0 [internal function]: IPS\IPS::errorHandler(2, 'Cannot modify h...', '/home2/moominga...', 542, Array) #1 /home2/moomingaming/public_html/test/init.php(542): header('HTTP/1.1 500 In...') #2 /home2/moomingaming/public_html/test/init.php(517): IPS\IPS::genericExceptionPage('session_start()...') #3 [internal function]: IPS\IPS::exceptionHandler(Object(ErrorException)) #4 {main} thrown in /home2/moomingaming/public_html/test/init.php on line 542 What is wrong? I followed all the steps on the guide Link to comment Share on other sites More sharing options...
MADMAN32395 Posted April 26, 2016 Share Posted April 26, 2016 and you uploaded the dev tools? Link to comment Share on other sites More sharing options...
Carlos S. Posted April 26, 2016 Author Share Posted April 26, 2016 10 hours ago, MADMAN32395 said: and you uploaded the dev tools? yes Link to comment Share on other sites More sharing options...
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