phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cb2c61e2f1b5d3443c94a567e1453a6e' 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 ('cb2c61e2f1b5d3443c94a567e1453a6e', -1, 1766327140, 1766327140, 'd849d819', -9, 0, 0)

Line : 187
File : sessions.php