Fatal error: Uncaught exception 'RuntimeException' with message 'Could not acquire lock for ClassLoader cache creation.' in /kunden/240107_70794/rp-hosting/10026/11026/typo3cms/typo3_src-6.2.26/typo3/sysext/core/Classes/Core/ClassLoader.php:761 Stack trace: #0 /kunden/240107_70794/rp-hosting/10026/11026/typo3cms/typo3_src-6.2.26/typo3/sysext/core/Classes/Core/ClassLoader.php(247): TYPO3\CMS\Core\Core\ClassLoader->acquireLock() #1 /kunden/240107_70794/rp-hosting/10026/11026/typo3cms/typo3_src-6.2.26/typo3/sysext/core/Classes/Core/ClassLoader.php(182): TYPO3\CMS\Core\Core\ClassLoader->buildCachedClassLoadingInformation('tx_powermail_co...', 'Tx_Powermail_Co...') #2 [internal function]: TYPO3\CMS\Core\Core\ClassLoader->loadClass('Tx_Powermail_Co...') #3 [internal function]: spl_autoload_call('Tx_Powermail_Co...') #4 /kunden/240107_70794/rp-hosting/10026/11026/typo3cms/typo3_src-6.2.26/typo3/sysext/extbase/Classes/Mvc/Request.php(354): get_class_methods('Tx_Powermail_Co...') #5 /kunden/240107_70794/rp-hosting/10026/11026/typo in /kunden/240107_70794/rp-hosting/10026/11026/typo3cms/typo3_src-6.2.26/typo3/sysext/core/Classes/Core/ClassLoader.php on line 761