phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'efd7a54e19a119d57b22bf8a694dd177' 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 ('efd7a54e19a119d57b22bf8a694dd177', -1, 1762142890, 1762142890, 'd849d8a1', -4, 0, 0)

Line : 187
File : sessions.php