phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '14e2d59c506ed42670eba82c3cfbbf5d' for key 'PRIMARY'

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('14e2d59c506ed42670eba82c3cfbbf5d', -1, 1469639892, 1469639892, '36920a01', -12, 0, 0)

Line : 188
File : sessions.php