.. include:: /Includes.rst.txt ========================== TYPO3 Exception 1395614959 ========================== .. include:: /If-you-encounter-this-exception.rst.txt Version number in composer manifest of package "..." is missing or invalid ========================================================================== This happens in TYPO3 6.2 whenever an extension has a dependency on another extension which contains a file ``composer.json`` without any version number (which is actually the best practice). Simple solution for the time being since composer is not properly supported in TYPO3 6.2 is to delete the corresponding file ``composer.json`` or to explicitly set a version number.