[FEATURE] Link cli command DataHandler error to solution

Related: https://stackoverflow.com/questions/54881504/how-to-create-a-file-relation-in-typo3-v9-in-a-cli-command-from-symfony
mogic-le · Jan 19, 2024 · e8b12c7 · e8b12c7
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diff --git a/Documentation/ApiOverview/CommandControllers/Index.rst b/Documentation/ApiOverview/CommandControllers/Index.rst
@@ -97,6 +97,12 @@ Create a custom command
 See the :ref:`Tutorial: Create a console command <console-command-tutorial>`
 for details on how to create commands.
 
+DataHandler usage
+=================
+Using the :ref:`DataHandler <tce-database-basics>` in a CLI command requires
+backend authentication.
+See :ref:`dataHandler-cli-command` for more information.
+
 Read more
 ==========
 

diff --git a/Documentation/ApiOverview/Typo3CoreEngine/UsingDataHandler/Index.rst b/Documentation/ApiOverview/Typo3CoreEngine/UsingDataHandler/Index.rst
@@ -22,6 +22,7 @@ array you want to pass to the class and call a few methods.
 
 
 .. index:: pair: DataHandler; Symfony
+.. _dataHandler-cli-command
 
 Using the DataHandler in a Symfony command
 ==========================================
@@ -38,6 +39,11 @@ method, you should make sure that this user is initialized like this:
 
    \TYPO3\CMS\Core\Core\Bootstrap::initializeBackendAuthentication();
 
+If you forget to add the backend user authentication, an error similar to this
+will occur:
+
+ [1.2.1]: Attempt to modify table "pages" without permission
+
 
 .. index:: pair: DataHandler; PHP
 .. _dataHandler-examples: