phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c50dccf2e506b279571eaf55d4f94614' 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 ('c50dccf2e506b279571eaf55d4f94614', -1, 1757008699, 1757008699, 'd849d894', -12, 0, 0)

Line : 187
File : sessions.php