diff --git a/src/applications/project/controller/PhabricatorProjectBoardImportController.php b/src/applications/project/controller/PhabricatorProjectBoardImportController.php
index 8df4e8b810..988084d3ee 100644
--- a/src/applications/project/controller/PhabricatorProjectBoardImportController.php
+++ b/src/applications/project/controller/PhabricatorProjectBoardImportController.php
@@ -50,6 +50,10 @@ final class PhabricatorProjectBoardImportController
         if ($import_column->isHidden()) {
           continue;
         }
+        if ($import_column->getProxy()) {
+          continue;
+        }
+
         $new_column = PhabricatorProjectColumn::initializeNewColumn($viewer)
           ->setSequence($import_column->getSequence())
           ->setProjectPHID($project->getPHID())
diff --git a/src/applications/project/controller/PhabricatorProjectColumnHideController.php b/src/applications/project/controller/PhabricatorProjectColumnHideController.php
index 41665ea6f8..27dbb17c47 100644
--- a/src/applications/project/controller/PhabricatorProjectColumnHideController.php
+++ b/src/applications/project/controller/PhabricatorProjectColumnHideController.php
@@ -91,6 +91,7 @@ final class PhabricatorProjectColumnHideController
         $editor = id(new PhabricatorProjectColumnTransactionEditor())
           ->setActor($viewer)
           ->setContinueOnNoEffect(true)
+          ->setContinueOnMissingFields(true)
           ->setContentSourceFromRequest($request)
           ->applyTransactions($column, $xactions);
       }