Fatal error: Uncaught TypeError: Argument 1 passed to wp_register_font_collection() must be of the type string, array given, called in /home/mdftop/public_html/wp-content/plugins/gutenberg/lib/experimental/fonts/font-library/font-library.php on line 136 and defined in /home/mdftop/public_html/wp-includes/fonts.php:78 Stack trace: #0 /home/mdftop/public_html/wp-content/plugins/gutenberg/lib/experimental/fonts/font-library/font-library.php(136): wp_register_font_collection(Array) #1 /home/mdftop/public_html/wp-content/plugins/gutenberg/lib/load.php(146): require('/home/mdftop/pu...') #2 /home/mdftop/public_html/wp-content/plugins/gutenberg/gutenberg.php(73): require_once('/home/mdftop/pu...') #3 /home/mdftop/public_html/wp-content/plugins/gutenberg/gutenberg.php(20): gutenberg_pre_init() #4 /home/mdftop/public_html/wp-settings.php(517): include_once('/home/mdftop/pu...') #5 /home/mdftop/public_html/wp-config.php(103): require_once('/home/mdftop/pu...') #6 /home/mdftop/public_html/wp-load.php(50): require_once('/home/mdftop/ in /home/mdftop/public_html/wp-includes/fonts.php on line 78