phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8d602c0cac0596ca67cb6bb51e0d25b1', -1, 1715095230, 1715095230, '038d1d91', -7, 0, 0)

Line : 189
File : sessions.php