phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '838844a0f95a1f800bd89760a5d8d9c2' 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 ('838844a0f95a1f800bd89760a5d8d9c2', -1, 1756756625, 1756756625, 'd849d8b2', -4, 0, 0)

Line : 187
File : sessions.php