While implementing the PCF control, after building the solution, if you run into the following issue while importing the custom control solution
String”>An error has occurred. Try this action again. If the problem continues, check the Microsoft Dynamics 365 Community for solutions or contact your organization’s Microsoft Dynamics 365 Administrator. Finally, you can contact Microsoft Support. : Microsoft.Crm.Tools.ImportExportPublish.ImportCustomControlException: CustomControl with name failed to import with error: The import manifest file is invalid. XSD validation failed with the following error: ‘The import manifest file is invalid. XSD validation failed with the following error: ‘The ‘version’ attribute is invalid – The value ‘1.0’ is invalid according to its datatype ‘versionType’ – The Pattern constraint failed.’.”‘.” —> Microsoft.Crm.CrmException: The import manifest file is invalid. XSD validation failed with the following error: ‘The import manifest file is invalid. XSD validation failed with the following error: ‘The ‘version’ attribute is invalid – The value ‘1.0’ is invalid according to its datatype ‘versionType’ – The Pattern constraint failed.’.”‘.”at Microsoft.Crm.Tools.ImportExportPublish.CustomControlsInstaller.ValidateSchema()at Microsoft.Crm.Tools.ImportExportPublish.CustomControlsInstaller.Validate(ExecutionContext context)at Microsoft.Crm.Tools.ImportExportPublish.CustomControlsInstaller.Install() — End of inner exception stack trace — at Microsoft.Crm.Tools.ImportExportPublish.CustomControlsInstaller.Install()at Microsoft.Crm.Tools.ImportExportPublish.ImportCustomControlsHandler.ImportItem()
It is most likely due the version attribute being invalid. Make sure the version is 1.0.0 in your ControlManifest.Input.xml file
Mohammed Hameed Hussain 