Fatal error: Uncaught TypeError: array_diff(): Argument #1 ($array) must be of type array, bool given in /usr/www/users/muurcswvet/naamlys/classes/listpage_simple.php:263
Stack trace:
#0 /usr/www/users/muurcswvet/naamlys/classes/listpage_simple.php(263): array_diff(false, Array)
#1 /usr/www/users/muurcswvet/naamlys/classes/listpage.php(2315): ListPage_Simple->buildSearchPanel()
#2 /usr/www/users/muurcswvet/naamlys/muur_users_list.php(153): ListPage->prepareForBuildPage()
#3 {main}
  thrown in /usr/www/users/muurcswvet/naamlys/classes/listpage_simple.php on line 263