phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a81f1112f1c42e756ba3cc5206dbf75c' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a81f1112f1c42e756ba3cc5206dbf75c', -1, 1715875878, 1715875878, '12de5695', 0, 0, 0)

Line : 187
File : sessions.php