program has encontered a program and needs to close

so yeah, i've been working on a huge login system with cosana, but when i try to send to other people outside of my network / computer, they get a error like encountered an error and needs to close , i put a screenshot in the attachments

FYI:
I did put all the DLL's in the .rar that I sent them that are required to run the program

what data this error contain?

You are probably missing a reference or something.

Or catch the error using

Try

Catch ex as exception
msgbox(ex.tostring)
end try