phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '254f598cd3dc777de1c74a9d6d83df53' 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 ('254f598cd3dc777de1c74a9d6d83df53', -1, 1772727306, 1772727306, 'd849d859', -4, 0, 0)

Line : 187
File : sessions.php