phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9da9dd51094233f4932c64c10dc8414a' 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 ('9da9dd51094233f4932c64c10dc8414a', -1, 1766014140, 1766014140, 'd849d819', 31, 0, 0)

Line : 187
File : sessions.php