phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '14c17f1e4eaba6f6742df1b847993c35' 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 ('14c17f1e4eaba6f6742df1b847993c35', -1, 1768771364, 1768771364, 'd849d87e', 5, 0, 0)

Line : 187
File : sessions.php