phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5136ab4ad4712593b313f1c98f75e03e' 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 ('5136ab4ad4712593b313f1c98f75e03e', -1, 1762838755, 1762838755, '7f000001', -9, 0, 0)

Line : 187
File : sessions.php