phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e666a86e4f6d889bd61c9e5dadc7afa7' 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 ('e666a86e4f6d889bd61c9e5dadc7afa7', -1, 1767081992, 1767081992, 'd849d819', -9, 0, 0)

Line : 187
File : sessions.php