[2014-06-04 21:22:36] EXCEPTION: (RuntimeException) Undefined variable: changesets at [/opt/phabricator/libphutil/src/error/PhutilErrorHandler.php:211]
  #0 PhutilErrorHandler::handleError(8, Undefined variable: changesets, /opt/phabricator/phabricator/src/applications/differential/editor/DifferentialTransactionEditor.php, 1298, Array of size 7 starting with: { object => Object DifferentialRevision }) called at [/opt/phabricator/phabricator/src/applications/differential/editor/DifferentialTransactionEditor.php:1298]
  #1 DifferentialTransactionEditor::renderInlineCommentsForMail(Object DifferentialRevision, Array { 0 => Object DifferentialTransaction }) called at [/opt/phabricator/phabricator/src/applications/differential/editor/DifferentialTransactionEditor.php:1137]
  #2 DifferentialTransactionEditor::buildMailBody(Object DifferentialRevision, Array { 0 => Object DifferentialTransaction }) called at [/opt/phabricator/phabricator/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php:1793]
  #3 PhabricatorApplicationTransactionEditor::sendMail(Object DifferentialRevision, Array { 0 => Object DifferentialTransaction }) called at [/opt/phabricator/phabricator/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php:734]
  #4 PhabricatorApplicationTransactionEditor::applyTransactions(Object DifferentialRevision, Array { 0 => Object DifferentialTransaction }) called at [/opt/phabricator/phabricator/src/applications/differential/controller/DifferentialCommentSaveController.php:124]
  #5 DifferentialCommentSaveController::processRequest() called at [/opt/phabricator/phabricator/webroot/index.php:95]