phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ccb86dae8b0419469b220bafbfe7e1fd' 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 ('ccb86dae8b0419469b220bafbfe7e1fd', -1, 1754672899, 1754672899, 'd849d8ea', 9, 0, 0)

Line : 187
File : sessions.php