phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ac4648cf859030f6f8399d84068441ad' for key 'travo_sessions.PRIMARY'

INSERT INTO travo_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ac4648cf859030f6f8399d84068441ad', -1, 1759559377, 1759559377, 'd849d888', -6, 0, 0)

Line : 187
File : sessions.php