phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '15175818c8777285db54f23c978234a8' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('15175818c8777285db54f23c978234a8', -1, 1715497210, 1715497210, '0a2c2c73', 39, 0, 0)

Line : 187
File : sessions.php