phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '17ad6d4b37823663e41696c5949e77ae' 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 ('17ad6d4b37823663e41696c5949e77ae', -1, 1532096066, 1532096066, '36e06f63', 5, 0, 0)

Line : 187
File : sessions.php