phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7b926b1498e3f3eeb2784d8b107c8ccf' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('7b926b1498e3f3eeb2784d8b107c8ccf', -1, 1768516691, 1768516691, 'd849d835', 1, 0, 0)

Line : 187
File : sessions.php