phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ff5f56d0d4f1047511fd4f4cbaa2b2ec' 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 ('ff5f56d0d4f1047511fd4f4cbaa2b2ec', -1, 1752951692, 1752951692, 'd849d887', -4, 0, 0)

Line : 187
File : sessions.php