Warning: mb_eregi_replace(): mbregex search failure in php_mbereg_replace_exec(): undefined bytecode (bug) in system/modules/core/library/Contao/Search.php on line 243

#0 [internal function]: __error(2, 'mb_eregi_replac...', '/homepages/46/d...', 243, Array)
#1 system/modules/core/library/Contao/Search.php(243): mb_eregi_replace('[^[:alnum:]'\\.:...', ' ', 'KONTAKT Beschre...')
#2 system/modules/core/classes/FrontendTemplate.php(204): Contao\Search::indexPage(Array)
#3 system/modules/core/pages/PageRegular.php(183): Contao\FrontendTemplate->output(true)
#4 index.php(236): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#5 index.php(401): Index->run()
#6 {main}

Fatal error: Uncaught exception Exception with message Query error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1 (INSERT INTO tl_search_index (pid, word, relevance, language) VALUES) thrown in system/modules/core/library/Contao/Database/Statement.php on line 346

#0 system/modules/core/library/Contao/Database/Statement.php(261): Contao\Database\Statement->query()
#1 system/modules/core/library/Contao/Search.php(308): Contao\Database\Statement->execute(Array)
#2 system/modules/core/classes/FrontendTemplate.php(204): Contao\Search::indexPage(Array)
#3 system/modules/core/pages/PageRegular.php(183): Contao\FrontendTemplate->output(true)
#4 index.php(236): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#5 index.php(401): Index->run()
#6 {main}