Technical TF2C How do I get custom weapons to show up?

[nota_mexican68]

Please describe the bug that you encountered:
I downloaded the "New-Old Weapons Pack v2.5.0 (For TF2C v2.1.0)" and the custom weapons will not show up. I have gone to previous versions as well but nothing seems to work
Relevant Screenshots:

Server Name/IP if applicable:
104.143.2.171:27779