How I use the "forge.all.min.js"?

When I use the js imported

var publicKey = context.variableManager.getValue("VE_publicKey");

var monto = encriptarValor(publicKey,"100");

I have this error: ReferenceError: "forge" is not defined. (Script=Cifrado;Line=7)

-----------------------------
Compilation Errors in Library:
org.mozilla.javascript.EcmaError: ReferenceError: "Uint8Array" is not defined