L2EXT PROTECTION

[dandiarena]

I found a pack but when exec l2server.exe give me

---------------------------
L2EXT PROTECTION
---------------------------
This license file has been locked to a different machine.
Current Hardware ID:
1+LKtQAIEADDBgMAQFdyQSBmBgepd3ZoyZiwzQ==
(Press Ctrl+V to paste)
---------------------------
OK
---------------------------

what can i do? where can get the license?