phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'bcc41c468b489aef4f815e0b0eaad750' 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 ('bcc41c468b489aef4f815e0b0eaad750', -1, 1781942956, 1781942956, 'd849d85f', -4, 0, 0)

Line : 187
File : sessions.php