001578: LOCB files could not be created. LOCB files are used when sharing locators with ArcGIS Runtime. Locator's .xml file is invalid. Some nodes are missing.


The locator's loc.xml file has a schema that isn't recognized.


Try to re-create your locator. If the error persists and the locator has a custom style, try re-creating it using a style provided by ArcGIS.