phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '640ce81c64fe839adf58f9feeef47054' 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 ('640ce81c64fe839adf58f9feeef47054', -1, 1714318576, 1714318576, '1275b6b3', 7, 0, 0)

Line : 187
File : sessions.php