Error while using loadlibrary RbxUtility

[blokav]

What’s up fellow Frontline developer!

HTTPService has functions for encoding and decoding JSON strings.

RbxUtility is deprecated but the modules are open sourced.
Here:

LoadLibrary is going to be removed on February 3rd

UPDATE This update is live as of February 3rd, 2020. UPDATE This has been postponed once more to February 3rd. UPDATE This has been postponed to January 6th; the post has been updated with the new timeline. What’s going on? LoadLibrary is a legacy mechanism that we previously used to provide access to Roblox-maintained Lua code. However, we haven’t updated the list of libraries or the libraries themselves in ages. There are three libraries: RbxGui, RbxStamper and RbxUtility; the first two are…

And here:

RbxUtility - Roblox