Conflict with Acorn

ErrorException: strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in file /var/www/html/public/wp/wp-admin/admin-header.php on line 41

#0 [internal function]: Spatie\Ignition\Ignition->renderError(8192, 'strip_tags(): P...', '/var/www/html/p...', 41) #1 /var/www/html/public/wp/wp-admin/admin-header.php(41): strip_tags(NULL) #2 /var/www/html/public/wp/wp-admin/admin.php(240): require_once('/var/www/html/p...') #3 {main}

Using Bedrock we ran into this error.