phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ba68cb142e413a58492f1c1411611ddf' 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 ('ba68cb142e413a58492f1c1411611ddf', -1, 1770097858, 1770097858, 'd849d805', -9, 0, 0)

Line : 187
File : sessions.php