TYPO3 Exception 1377778916

Note

Below, the TYPO3 community may have provided additional information or solutions for this exception. However, these may or may not apply to your particular case. If you can provide more information, you should come back here and add your experience and solution steps to this issue once you have resolved it.

General TYPO3 troubleshooting tips can be found in the section "Troubleshooting" of the menu, and live support is available in the TYPO3 Slack channel #typo3-cms. (See How to get your TYPO3 Slack account.)

To add your experience, click "Edit on GitHub" above and follow the "Edit on GitHub" workflow. Also check out our tip on Coding Style and reST.

You are not allowed to delete a file with extension "..."

Deleting a file with the mentioned extension is prohibited in this installation. If you have access to the TYPO3 configuration, you may edit the value for $GLOBALS['TYPO3_CONF_VARS']['BE']['fileDenyPattern'] in the Install Tool.