phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c7dc351940edc874fa8b750f4854516a' 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 ('c7dc351940edc874fa8b750f4854516a', -1, 1752184167, 1752184167, 'd849d85d', -4, 0, 0)

Line : 187
File : sessions.php