phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0f1d1b88f8ac1da36bdf8d6e716d708c' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('0f1d1b88f8ac1da36bdf8d6e716d708c', -1, 1765390347, 1765390347, 'd849d8da', -4, 0, 0)

Line : 187
File : sessions.php