phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a7cdd1452d430b1070834d3a4d197fdf' 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 ('a7cdd1452d430b1070834d3a4d197fdf', -1, 1752781606, 1752781606, 'd849d81f', 3, 0, 0)

Line : 187
File : sessions.php