Sign a Transaction File

We are in the process of reworking this but it can be currently done using samples here: Offline Transactions Documentation

Error Handling

What error do you get? Inside sandbox, with ./sandbox enter, I can do:

algorand@1116903d7142:/opt/algorand/node$ echo "// simple.teal
// Do not use this in a real application
int 0" > simple.teal

algorand@1116903d7142:/opt/algorand/node$ goal clerk compile simple.teal
simple.teal: KI4DJG2OOFJGUER…