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Fatal error: require(): Failed opening required '/usr/www/users/docdam/presta8.docda.de/modules/wkelasticsearch/vendor/composer/../react/promise/src/functions_include.php' (include_path='/usr/www/users/docdam/presta8.docda.de/vendor/pear/pear_exception:/usr/www/users/docdam/presta8.docda.de/vendor/pear/console_getopt:/usr/www/users/docdam/presta8.docda.de/vendor/pear/pear-core-minimal/src:/usr/www/users/docdam/presta8.docda.de/vendor/pear/archive_tar:.:/usr/local/lib/php/') in /usr/www/users/docdam/presta8.docda.de/modules/wkelasticsearch/vendor/composer/autoload_real.php on line 71