phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cab11da209b9a1f92bd05e8f56b1caea' 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 ('cab11da209b9a1f92bd05e8f56b1caea', -1, 1787188531, 1787188531, 'd849d967', -4, 0, 0)

Line : 187
File : sessions.php