phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4e88ceeb60b6710516339f3ba2073230' for key 'PRIMARY'

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('4e88ceeb60b6710516339f3ba2073230', -1, 1770466782, 1770466782, 'd849d89e', 18, 0, 0)

Line : 186
File : sessions.php