phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'eb5b0a3dcb1f3cda0de835a34d427f51' for key '2phpbb_sessions.PRIMARY'

INSERT INTO 2phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('eb5b0a3dcb1f3cda0de835a34d427f51', -1, 1781246076, 1781246076, 'd849d85a', -4, 0, 0)

Line : 187
File : sessions.php