Fatal error: Uncaught Error: Call to undefined function OMGF\Compatibility\is_plugin_active() in /customers/e/8/a/imo-bauer.de/httpd.www/wp-content/plugins/host-webfonts-local/src/Compatibility/Cloudflare.php:35
Stack trace:
#0 /customers/e/8/a/imo-bauer.de/httpd.www/wp-content/plugins/host-webfonts-local/src/DB/Migrate/V631.php(43): OMGF\Compatibility\Cloudflare::maybe_install_mu_plugin()
#1 /customers/e/8/a/imo-bauer.de/httpd.www/wp-content/plugins/host-webfonts-local/src/DB/Migrate/V631.php(34): OMGF\DB\Migrate\V631->init()
#2 /customers/e/8/a/imo-bauer.de/httpd.www/wp-content/plugins/host-webfonts-local/src/DB/Migrate.php(67): OMGF\DB\Migrate\V631->__construct()
#3 /customers/e/8/a/imo-bauer.de/httpd.www/wp-content/plugins/host-webfonts-local/src/Plugin.php(99): OMGF\DB\Migrate->__construct()
#4 /customers/e/8/a/imo-bauer.de/httpd.www/wp-includes/class-wp-hook.php(310): OMGF\Plugin->do_migrate_db('')
#5 /customers/e/8/a/imo-bauer.de/httpd.www/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(NULL, Array)
#6 /customers/e/8/a/imo-bauer.de/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#7 /customers/e/8/a/imo-bauer.de/httpd.www/wp-settings.php(495): do_action('plugins_loaded')
#8 /customers/e/8/a/imo-bauer.de/httpd.www/wp-config.php(100): require_once('/customers/e/8/...')
#9 /customers/e/8/a/imo-bauer.de/httpd.www/wp-load.php(50): require_once('/customers/e/8/...')
#10 /customers/e/8/a/imo-bauer.de/httpd.www/wp-blog-header.php(13): require_once('/customers/e/8/...')
#11 /customers/e/8/a/imo-bauer.de/httpd.www/index.php(17): require('/customers/e/8/...')
#12 {main}
  thrown in /customers/e/8/a/imo-bauer.de/httpd.www/wp-content/plugins/host-webfonts-local/src/Compatibility/Cloudflare.php on line 35