We recently upgraded our Dev and Test environment to V 9.0. Dev Test While importing a solution from Dev to Test which had SiteMap we got the below issue. “The SiteMapName in the AppModuleSiteMap is null or empty” It turns out that the following tags were required and were missing in the Customization.xml We added … Continue reading "SiteMapName in the AppModuleSiteMap is null or empty error while importing V9 Solution in Dynamics 365 Customer Engagement"