Fatal error: Uncaught Error: Call to undefined function OMGF\Pro\Frontend\str_contains() in /homepages/u14794/vonbriskorn.de_0615/template/ext/host-google-fonts-pro/src/Frontend/Optimize.php:813 Stack trace: #0 [internal function]: OMGF\Pro\Frontend\Optimize->OMGF\Pro\Frontend\{closure}(''revicons'') #1 /homepages/u14794/vonbriskorn.de_0615/template/ext/host-google-fonts-pro/src/Frontend/Optimize.php(814): array_filter(Array, Object(Closure)) #2 /homepages/u14794/vonbriskorn.de_0615/template/ext/host-google-fonts-pro/src/Frontend/Optimize/InlineStyles.php(42): OMGF\Pro\Frontend\Optimize->process_fallback_font_stacks('<!DOCTYPE html>...') #3 /homepages/u14794/vonbriskorn.de_0615/template/ext/host-google-fonts-pro/src/Frontend/Optimize.php(338): OMGF\Pro\Frontend\Optimize\InlineStyles->optimize('<!DOCTYPE html>...') #4 /homepages/u14794/vonbriskorn.de_0615/libs/class-wp-hook.php(287): OMGF\Pro\Frontend\Optimize->process('<!DOCTYPE html>...', Object(OMGF\Frontend\Process)) #5 /homepages/u14794/ in /homepages/u14794/vonbriskorn.de_0615/template/ext/host-google-fonts-pro/src/Frontend/Optimize.php on line 813