Index: t3lib/class.t3lib_loaddbgroup.php
===================================================================
--- t3lib/class.t3lib_loaddbgroup.php	(revision 10113)
+++ t3lib/class.t3lib_loaddbgroup.php	(working copy)
@@ -655,7 +655,7 @@
 						// Always add the pointer to the parent uid
 					if ($isOnSymmetricSide) {
 						$updateValues[$symmetric_field] = $parentUid;
-					} else {
+					} elseif(isset($foreign_field)) {
 						$updateValues[$foreign_field] = $parentUid;
 					}
 
Index: t3lib/class.t3lib_tcemain.php
===================================================================
--- t3lib/class.t3lib_tcemain.php	(revision 10113)
+++ t3lib/class.t3lib_tcemain.php	(working copy)
@@ -2528,6 +2528,9 @@
 			$newValue = ($keepTranslation ? 0 : $dbAnalysis->countItems(FALSE));
 				// IRRE with MM relation:
 		} else {
+			$skipSorting = ($this->callFromImpExp ? TRUE : FALSE);
+			$dbAnalysis->writeForeignField($tcaFieldConf, $id, 0, $skipSorting);
+			
 			if ($this->getInlineFieldType($tcaFieldConf) == 'mm') {
 					// in order to fully support all the MM stuff, directly call checkValue_group_select_processDBdata instead of repeating the needed code here
 				$valueArray = $this->checkValue_group_select_processDBdata($valueArray, $tcaFieldConf, $id, $status, 'select', $table, $field);