There was an error during processing of the managed application service auto-start for application pool: '%1'. The loading ...

There was an error during processing of the managed application service auto-start for application pool: '%1'.  The loading of application service provider objects is not supported if the pipeline mode is set to 'Classic' mode.  As a result, no managed application service auto-start has been completed.  To resolve this issue, please change the pipeline mode for this application pool to 'Integrated' mode.  The data field contains the error code.