Fatal error: Uncaught ArgumentCountError: Too few arguments to function get_user_by(), 1 passed in /home/customer/www/moodday.se/public_html/wp-content/themes/moodday3/author.php on line 4 and exactly 2 expected in /home/customer/www/moodday.se/public_html/wp-includes/pluggable.php:99
Stack trace:
#0 /home/customer/www/moodday.se/public_html/wp-content/themes/moodday3/author.php(4): get_user_by('elements-spa')
#1 /home/customer/www/moodday.se/public_html/wp-includes/template-loader.php(106): include('/home/customer/...')
#2 /home/customer/www/moodday.se/public_html/wp-blog-header.php(19): require_once('/home/customer/...')
#3 /home/customer/www/moodday.se/public_html/index.php(17): require('/home/customer/...')
#4 {main}
thrown in /home/customer/www/moodday.se/public_html/wp-includes/pluggable.php on line 99
