phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5790caf40d87bb478ffb42dd903d6237' 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 ('5790caf40d87bb478ffb42dd903d6237', -1, 1769874391, 1769874391, 'd849d851', -4, 0, 0)

Line : 187
File : sessions.php