TYPO3 Core

When choosing $TYPO3_LOADED_EXT (Loaded Extensions) in configuration module a fatal error occurs:

#1361915596: The array $GLOBALS['TYPO3_LOADED_EXT'] may not be modified

This happens because the tree method tries to override values in the non-writeable TYPO3_LOADED_EXT array.

\TYPO3\CMS\Lowlevel\View\ConfigurationView : 236

$tree = $arrayBrowser->tree($theVar, '', '');

\TYPO3\CMS\Lowlevel\Utility\ArrayBrowser : 111

if (is_object($arr[$key])) {
  $arr[$key] = (array) $arr[$key];
}