I saw this in our PHP error logs, thought it might be of interest:
```
[17-Mar-2015 17:40:50 Australia/Sydney] [2015-03-17 17:40:50] EXCEPTION: (Exception) Unable to find a place to insert object on column! at [<phabricator>/src/applications
/maniphest/editor/ManiphestTransactionEditor.php:308]
[17-Mar-2015 17:40:50 Australia/Sydney] arcanist(head=master, ref.master=b961869edac9), phabricator(head=master, ref.master=98899c822eb9), phlab(head=master, ref.master=d
ddf486a2aec), phutil(head=master, ref.master=ce3959b4046f)
[17-Mar-2015 17:40:50 Australia/Sydney] #0 ManiphestTransactionEditor::applyCustomExternalTransaction(ManiphestTask, ManiphestTransaction) called at [<phabricator>/src/
applications/transactions/editor/PhabricatorApplicationTransactionEditor.php:494]
[17-Mar-2015 17:40:50 Australia/Sydney] #1 PhabricatorApplicationTransactionEditor::applyExternalEffects(ManiphestTask, ManiphestTransaction) called at [<phabricator>/s
rc/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php:723]
[17-Mar-2015 17:40:50 Australia/Sydney] #2 PhabricatorApplicationTransactionEditor::applyTransactions(ManiphestTask, array) called at [<phabricator>/src/applications/pr
oject/controller/PhabricatorProjectMoveController.php:158]
[17-Mar-2015 17:40:50 Australia/Sydney] #3 PhabricatorProjectMoveController::processRequest() called at [<phabricator>/src/aphront/AphrontController.php:33]
[17-Mar-2015 17:40:50 Australia/Sydney] #4 AphrontController::handleRequest(AphrontRequest) called at [<phabricator>/src/aphront/configuration/AphrontApplicationConfigu
ration.php:196]
[17-Mar-2015 17:40:50 Australia/Sydney] #5 AphrontApplicationConfiguration::processRequest(AphrontRequest, PhutilDeferredLog, AphrontPHPHTTPSink) called at [<phabricator>/src/aphront/configuration/AphrontApplicationConfiguration.php:121]
[17-Mar-2015 17:40:50 Australia/Sydney] #6 AphrontApplicationConfiguration::runHTTPRequest(AphrontPHPHTTPSink) called at [<phabricator>/webroot/index.php:19]
```