phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '36a9c87887bdcce197c760cff00e18ef' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('36a9c87887bdcce197c760cff00e18ef', -1, 1769415722, 1769415722, 'd849d814', -4, 0, 0)

Line : 187
File : sessions.php