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Warning: Undefined array key "player_id" in C:\xampp\htdocs\rpg\rpg\assets\php\save-session.php on line 47

Warning: Undefined array key "map_id" in C:\xampp\htdocs\rpg\rpg\assets\php\save-session.php on line 48

Warning: Undefined array key "adventure_id" in C:\xampp\htdocs\rpg\rpg\assets\php\save-session.php on line 49

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Fatal error: Uncaught mysqli_sql_exception: Column 'session_id' cannot be null in C:\xampp\htdocs\rpg\rpg\assets\php\save-session.php:61 Stack trace: #0 C:\xampp\htdocs\rpg\rpg\assets\php\save-session.php(61): mysqli_stmt->execute() #1 {main} thrown in C:\xampp\htdocs\rpg\rpg\assets\php\save-session.php on line 61