phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5bab5857565c955f8a94d1c8db569e6f' 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 ('5bab5857565c955f8a94d1c8db569e6f', -1, 1769859487, 1769859487, 'd849d851', -4, 0, 0)

Line : 187
File : sessions.php