phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cad4510f589778afdae91cd83d52ceae' 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 ('cad4510f589778afdae91cd83d52ceae', -1, 1770242931, 1770242931, 'd849d876', 1, 0, 0)

Line : 187
File : sessions.php