phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '09788d4d605066dc477f49d37e398d2c' 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 ('09788d4d605066dc477f49d37e398d2c', -1, 1753835303, 1753835303, 'd849d877', 3, 0, 0)

Line : 187
File : sessions.php