phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c8a655424368ec2a3526214f0a06bf38' 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 ('c8a655424368ec2a3526214f0a06bf38', -1, 1765523183, 1765523183, '12610e59', -9, 0, 0)

Line : 187
File : sessions.php