Hardcoded moneyGuru

Application Identifier: com.hardcoded_software.moneyguru
Application Version: 2.3.4

Traceback (most recent call last):
 File "/Users/me/Applications/Banking/moneyGuru.app/Contents/Resources/mg_cocoa.plugin/Contents/Resources/mg_cocoa.py", line 414, in savePanel
 File "core/gui/base.pyc", line 222, in save
 File "core/gui/transaction_panel.pyc", line 105, in _save
 File "core/document.pyc", line 63, in wrapper
 File "core/document.pyc", line 397, in change_transaction
 File "hscommon/notify.pyc", line 19, in notify
 File "hscommon/notify.pyc", line 68, in dispatch
 File "hscommon/notify.pyc", line 64, in _repeat_message
 File "hscommon/notify.pyc", line 19, in notify
 File "core/gui/base.pyc", line 254, in dispatch
 File "hscommon/notify.pyc", line 68, in dispatch
 File "hscommon/notify.pyc", line 64, in _repeat_message
 File "hscommon/notify.pyc", line 19, in notify
 File "core/gui/base.pyc", line 158, in dispatch
 File "hscommon/notify.pyc", line 52, in dispatch
 File "core/gui/entry_table.pyc", line 137, in transaction_changed
 File "core/gui/table.pyc", line 81, in _item_changed
 File "hscommon/gui/table.pyc", line 257, in refresh
 File "hscommon/cocoa/inter.pyc", line 56, in refresh
 File "hscommon/cocoa/inter.pyc", line 140, in setValue_forColumn_row_
 File "hscommon/gui/table.pyc", line 335, in set_cell_value
AttributeError: can't set attribute

Details from user:

I think I was in the Transaction Info window

and editing the Account (to move a transaction to a different register). This is just an example, but it would have been where "pets" appears.

After the error, I was able to continue working, make the edit, and save.