Warning: Trying to access array offset on value of type bool in /slimfesta/www/app/data/magazine.php on line 187

Fatal error: Uncaught TypeError: mask_text(): Argument #1 ($value) must be of type string, null given, called in /slimfesta/www/app/data/magazine.php on line 187 and defined in /slimfesta/www/app/helpers.php:143
Stack trace:
#0 /slimfesta/www/app/data/magazine.php(187): mask_text(NULL)
#1 /slimfesta/www/app/views/magazine_view.php(9): get_magazine_show('review', '1')
#2 /slimfesta/www/index.php(137): require('/slimfesta/www/...')
#3 {main}
  thrown in /slimfesta/www/app/helpers.php on line 143