PHP Error - Cannot modify header information - headers already sent by (output started at E:\inetpub\wwwroot\cartsharing\cache

Cannot modify header information - headers already sent by (output started at E:\inetpub\wwwroot\cartsharing\cache_start.php:57)
Error Type: E_WARNING

Source File: E:\inetpub\wwwroot\cartsharing\includes\qcodo\_core\framework\QApplicationBase.class.php Line: 495

Line 490:         * placing itself into the server signature.
Line 491:         * @return void
Line 492:         */
Line 493:        protected static function InitializeServerSignature()
Line 494:        {
Line 495:            header(sprintf('X-Powered-By: PHP/%s; Qcodo/%s', PHP_VERSION, QCODO_VERSION));
Line 496:        }
Line 497:    
Line 498:        protected static function InitializeOutputBuffering()
Line 499:        {
Line 500:            ob_start(array('QApplication', 'OutputPage'));

Call Stack:

#0 (): QErrorHandler::HandleError()
#1 E:\inetpub\wwwroot\cartsharing\includes\qcodo\_core\framework\QApplicationBase.class.php(495): header()
#2 E:\inetpub\wwwroot\cartsharing\includes\qcodo\_core\framework\QApplicationBase.class.php(430): QApplicationBase::InitializeServerSignature()
#3 E:\inetpub\wwwroot\cartsharing\includes\prepend.inc.php(58): QApplicationBase::Initialize()
#4 E:\inetpub\wwwroot\cartsharing\index.php(19): include_once()

Global Variables Dump: Show/Hide

  _COOKIE
  _ENV
  _FILES
  _GET
  _POST
  _SERVER
  allowed_ips
  cache_baseurl
  cache_enable
  cache_filename
  cache_limit_in_mins
  cache_url
  databasesArray
  diff_in_secs
  file_created_on
  isMetaCampaign
  isPost
  original_url
  profilingEnabled
  rewritten_url
  secs_in_min
  startTime

Error Report Generated: Wednesday, June 3 2026, 3:23:42.57419800 PM CEST
Error Report NOT Logged