Warning: file_put_contents(): Only 0 of 149 bytes written, possibly out of free disk space in /var/www/html/typo3_src-6.2.31/typo3/sysext/core/Classes/Cache/Backend/SimpleFileBackend.php on line 238

Fatal error: Uncaught exception 'TYPO3\CMS\Core\Cache\Exception' with message 'The temporary cache file "/var/www/html/typo3temp/Cache/Data/cache_classes/666d757994a101.01882230.temp" could not be written.' in /var/www/html/typo3_src-6.2.31/typo3/sysext/core/Classes/Cache/Backend/SimpleFileBackend.php:241
Stack trace:
#0 /var/www/html/typo3_src-6.2.31/typo3/sysext/core/Classes/Cache/Frontend/StringFrontend.php(50): TYPO3\CMS\Core\Cache\Backend\SimpleFileBackend->set('typo3_cms_rteht...', '/var/www/html/t...', Array, NULL)
#1 /var/www/html/typo3_src-6.2.31/typo3/sysext/core/Classes/Core/ClassAliasMap.php(141): TYPO3\CMS\Core\Cache\Frontend\StringFrontend->set('typo3_cms_rteht...', '/var/www/html/t...')
#2 /var/www/html/typo3_src-6.2.31/typo3/sysext/core/Classes/Core/ClassLoader.php(533): TYPO3\CMS\Core\Core\ClassAliasMap->buildMappingFiles(Array)
#3 /var/www/html/typo3_src-6.2.31/typo3/sysext/core/Classes/Core/ClassLoader.php(486): TYPO3\CMS\Core\Core\ClassLoader->buildPackageNamespacesAndClassesPaths()
#4 /var/www/html/ty in /var/www/html/typo3_src-6.2.31/typo3/sysext/core/Classes/Cache/Backend/SimpleFileBackend.php on line 241