phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ba64595cdb46507bb748100a5907209a' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ba64595cdb46507bb748100a5907209a', -1, 1537318707, 1537318707, '365cbe0b', 3, 0, 0)

Line : 198
File : sessions.php