Fatal error: Uncaught TypeError: array_unique(): Argument #1 ($array) must be of type array, null given in /home/prisca/signor/relation_result.php:1148
Stack trace:
#0 /home/prisca/signor/relation_result.php(1148): array_unique()
#1 {main}
thrown in /home/prisca/signor/relation_result.php on line 1148