phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a3614b66c6e2d1d7e52ef56bc0106a0b' 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 ('a3614b66c6e2d1d7e52ef56bc0106a0b', -1, 1769893572, 1769893572, 'd849d837', 41, 0, 0)

Line : 187
File : sessions.php