phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd5ce83de724f4bcf75f865129b9bf2c1' 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 ('d5ce83de724f4bcf75f865129b9bf2c1', -1, 1771228647, 1771228647, 'd849d88e', -10, 0, 0)

Line : 187
File : sessions.php