.. ==================================================
.. FOR YOUR INFORMATION
.. --------------------------------------------------
.. -*- coding: utf-8 -*- with BOM.

.. include:: ../../../Includes.txt


.. _bugs_sql_unknowncolumnuid:


Unknown column uid
==================

Prompt: **Error: Unknown column 'uid' in 'where clause'**


In case of any error:

* Please cancel the launch. The form has a cancel and then a delete button.

Database seem's to be broken. Please analyze the database structure with the 

* maintenance modul > Analyze Database Structure (from TYPO3 9.5)

* install tool (upto TYPO3 8.7)

If there is a suggestion like:

* ALTER TABLE `tx_gridelements_backend_layout` ADD `uid` INT AUTO_INCREMENT NOT NULL

* ALTER TABLE `tx_gridelements_backend_layout` ADD PRIMARY KEY (uid)

please disable

* the extension from above (here: tx_gridelements_backend_layout)

* the extension Launch it! (launch)

Please clean up the database. Remove all tables of both extensions.

Enable the extensions again:

* first: the "third-party"-extension (here: gridelements)

* last: Launch it! (launch).


If error isn't solved
'''''''''''''''''''''

Try to fix database manually by a tool like PhpMyAdmin.

You must

* Check, if tables from above are removed completly. If not, remove it by PhpMyAdmin.

* Enable the third party extensions.

* Check the tables of the third party extensions with the TYPO3 database analyser. Try to solve any SQL statement.

* If steps from above are succesful, enable EXT:launchstartgreen

Launcher should run proper now.