phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c27a29d4d4da4f9b13c6fb31596f0684' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c27a29d4d4da4f9b13c6fb31596f0684', -1, 1778962265, 1778962265, 'd849d8cd', -4, 0, 0)

Line : 187
File : sessions.php