Index: branches/unlabeled/unlabeled-1.3.2/kernel/units/general/helpers/multilanguage.php
===================================================================
diff -u -r4030 -r4278
--- branches/unlabeled/unlabeled-1.3.2/kernel/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 4030)
+++ branches/unlabeled/unlabeled-1.3.2/kernel/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 4278)
@@ -43,6 +43,10 @@
 		{
 			$table_name = $this->Application->getUnitOption('lang', 'TableName');
 			$languages_count = $this->Conn->GetOne('SELECT COUNT(*) FROM '.$table_name);
+			if (!$languages_count) {
+				// during installation we have not languages, but we need to created custom field columns
+				$languages_count = 1;
+			}
 			return $languages_count + 5 - ( $languages_count % 5 ? ($languages_count % 5) : 5 );
 		}