phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '25a777324e3aa7bb4bf39ae876db5bcb' 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 ('25a777324e3aa7bb4bf39ae876db5bcb', -1, 1766194595, 1766194595, 'd849d82e', -4, 0, 0)

Line : 187
File : sessions.php