.. include:: /Includes.rst.txt

.. index:: troubleshooting

.. _troubleshooting_index:


===============
Troubleshooting
===============

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      .. container:: card px-0 h-100

         .. rst-class:: card-header h3

            .. rubric:: :ref:`TYPO3 <troubleshooting_typo3>`

         .. container:: card-body

            *  :ref:`Reset Backend Administrative User Passwords <backend-admin-password>`

            *  :ref:`Reset The Install Tool Password <install-tool-password>`

            *  :ref:`Enabling Debug Mode <debug-mode>`

            *  :ref:`Caching <troubleshooting-caching>`

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            .. rubric:: :ref:`System Modules <system_modules>`

         .. container:: card-body

            *  :ref:`Log <system-modules-log>`

            *  :ref:`DB Check <system-modules-dbcheck>`

            *  :ref:`Configuration <system-modules-configuration>`

            *  :ref:`Reports <system-modules-reports>`

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            .. rubric:: :ref:`PHP <php>`

         .. container:: card-body

            *  :ref:`PHP Modules <php-modules>`

            *  :ref:`PHP Caches, Extension Classes <php-caches-extension-classes-etc>`

            *  :ref:`Opcode cache messages <php-troubleshooting_opcode>`

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            .. rubric:: :ref:`Web server <webserver>`

         .. container:: card-body

            *  :ref:`Apache - enable mod_rewrite <enable-mod_rewrite>`

            *  :ref:`Apache - adjust ThreadStackSize (Windows) <adjust-threadstacksize-on-windows>`


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      .. container:: card px-0 h-100

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            .. rubric:: :ref:`Database <troubleshooting_database>`

         .. container:: card-body

            *  :ref:`MySQL - character sets <character-sets>`


.. toctree::
   :hidden:
   :titlesonly:

   TYPO3
   SystemModules
   PHP
   WebServer
   Database