phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '26639b9596beda938487fe9e4bfb49cf' 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 ('26639b9596beda938487fe9e4bfb49cf', -1, 1757610870, 1757610870, 'd849d880', -4, 0, 0)

Line : 187
File : sessions.php