phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd241ef7301dbd741fd939f7ebe21cfdd' 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 ('d241ef7301dbd741fd939f7ebe21cfdd', -1, 1787593428, 1787593428, 'd849d9a7', -4, 0, 0)

Line : 187
File : sessions.php