#1942 Can't escape error message

[Steve Keen]

Found a fatal bug for you! I stuffed up using an ampersand character in defining a variable, and I can't shut the program down except via Task Manager.

[High Performance Coder]

I don't think ampersand is the problem. You had another variable in there with & in its name for example.

I couldn't reproduce any hang. When hitting reset, it did mention that there was no integral attached to Bonds_{HH\&F}, but it was clearly fixable by copying the actual stock variable Bonds_{HHF} (presumably because it was renamed) from the variable browser.

Not sure if we need to add "stock" to the list of variable types in the variable create/edit window. My initial thought to rename the variable was thwarted by that.

So can the hang be reproduced reliably, or is this just a quirk of Windows?

[Steve Keen]

True. I think the problem emanated from not putting in {} properly around a
stock definition.
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On Sun, Jul 5, 2026 at 12:28 AM High Performance Coder hpcoder@users.sourceforge.net wrote:

I don't think ampersand is the problem. You had another variable in there
with & in its name for example.

I couldn't reproduce any hang. When hitting reset, it did mention that
there was no integral attached to Bonds_{HH\&F}, but it was clearly
fixable by copying the actual stock variable Bonds_{HHF} (presumably
because it was renamed) from the variable browser.

Not sure if we need to add "stock" to the list of variable types in the
variable create/edit window. My initial thought to rename the variable was
thwarted by that.

So can the hang be reproduced reliably, or is this just a quirk of Windows?

[tickets:#1942] https://sourceforge.net/p/minsky/tickets/1942/ Can't
escape error message

Status: open
Milestone: Backlog
Created: Fri Jul 03, 2026 10:27 AM UTC by Steve Keen
Last Updated: Fri Jul 03, 2026 10:27 AM UTC
Owner: nobody
Attachments:

• CantEscapeInvalidAccessError20260703.png
  https://sourceforge.net/p/minsky/tickets/1942/attachment/CantEscapeInvalidAccessError20260703.png
  (sourceforge.net) (182.4 kB; image/png)
• Government01BondSalesToCB.mky
  https://sourceforge.net/p/minsky/tickets/1942/attachment/Government01BondSalesToCB.mky
  (sourceforge.net) (98.3 kB; application/octet-stream)
• Government01BondSalesToCBerror.mky
  https://sourceforge.net/p/minsky/tickets/1942/attachment/Government01BondSalesToCBerror.mky
  (sourceforge.net) (79.3 kB; application/octet-stream)

Found a fatal bug for you! I stuffed up using an ampersand character in
defining a variable, and I can't shut the program down except via Task
Manager.

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[High Performance Coder]

Tried removing either one of both of the braces. Still could not generate a hang.