Fatal error: Uncaught Error: Call to undefined function is_feed() in /customers/8/4/0/obakeerbergen.be/httpd.www/wp-includes/script-loader.php:2590
Stack trace:
#0 /customers/8/4/0/obakeerbergen.be/httpd.www/wp-includes/blocks/index.php(32): wp_should_load_separate_core_block_assets()
#1 /customers/8/4/0/obakeerbergen.be/httpd.www/wp-includes/class-wp-hook.php(324): register_core_block_style_handles('')
#2 /customers/8/4/0/obakeerbergen.be/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#3 /customers/8/4/0/obakeerbergen.be/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#4 /customers/8/4/0/obakeerbergen.be/httpd.www/wp-settings.php(704): do_action('init')
#5 /customers/8/4/0/obakeerbergen.be/httpd.www/wp-config.php(99): require_once('/customers/8/4/...')
#6 /customers/8/4/0/obakeerbergen.be/httpd.www/wp-load.php(50): require_once('/customers/8/4/...')
#7 /customers/8/4/0/obakeerbergen.be/httpd.www/wp-blog-header.php(13): require_once('/customers/8/4/...')
#8 /customers/8/4/0/obakeerbergen.be/httpd.www/index.php(17): require('/customers/8/4/...')
#9 {main}
  thrown in /customers/8/4/0/obakeerbergen.be/httpd.www/wp-includes/script-loader.php on line 2590