phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '71e961f1da647c647b32d54ed8ef2918' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('71e961f1da647c647b32d54ed8ef2918', -1, 1786727355, 1786727355, 'd849d99a', 1, 0, 0)

Line : 187
File : sessions.php