phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ad4a1998d809aa550bf555af8206fa4e' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ad4a1998d809aa550bf555af8206fa4e', -1, 1715863960, 1715863960, '038d13a8', -1, 0, 0)

Line : 187
File : sessions.php