Version 5.0.0 beta 10

applications/nexus/sources/Package/CustomField.php

@@ -150,14 +150,18 @@ class CustomField extends SystemCustomField
 		parent::form( $form );
 
 		$packages = array();
-		foreach ( array_filter( explode( ',', $this->packages ) ) as $id )
+		if( $this->packages )
 		{
-			try
+			foreach ( array_filter( explode( ',', $this->packages ) ) as $id )
 			{
-				$packages[] = Package::load( $id );
+				try
+				{
+					$packages[] = Package::load( $id );
+				}
+				catch ( OutOfRangeException ) { }
 			}
-			catch ( OutOfRangeException ) { }
 		}
+
 		$form->add( new Node( 'cf_packages', $packages, FALSE, array( 'class' => 'IPS\nexus\Package\Group', 'noParentNodes' => 'custom_packages', 'multiple' => TRUE, 'permissionCheck' => function( $node )
 		{
 			return !( $node instanceof Group);