phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e8a6d58baf7a8a6557aa68f75dd6569f' 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 ('e8a6d58baf7a8a6557aa68f75dd6569f', -1, 1768190491, 1768190491, 'd849d887', 2, 0, 0)

Line : 187
File : sessions.php