phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9a5e86a76e0ddb64f84d0ad2484ea37a' 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 ('9a5e86a76e0ddb64f84d0ad2484ea37a', -1, 1769267895, 1769267895, 'd849d814', -4, 0, 0)

Line : 187
File : sessions.php