phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5657bacf8a97c2d671b6c4fe4ee4feef' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('5657bacf8a97c2d671b6c4fe4ee4feef', -1, 1768406100, 1768406100, 'd849d83d', -4, 0, 0)

Line : 187
File : sessions.php