Hi again. Just to clarify, the issue I described before is avoidable as it only happens when trying to move command(s) beyond any of the bounds of the tape of commands (I stumbled upon this by accident). The attached image shows the line 78 when trying to move up beyond the start of the tape of commands, and when trying to move down beyond the end of the tape of commands it shows the same method call but stating the line 137.
Additionally, I tried to reproduce the issue within other of the tasks and got a different behavior; when trying to move beyond any of the bounds, the game would not crash, but allow me to move the command beyond the bound and lose it, without the chance of bringing it back into the tape of commands... this seems to bring an additional weird behaviour when trying to set a new command in the row where the "lost command" was, as shown in this video:
Hope this be of help.