VC iview crashes after transport

Hi,

We have copied a VC-model & iview and it works fine on development system. When we transport it to acceptance environment, we get this error message.

Why do we get this error message? Where can I find the log file with detailed error description?

Fout opgetreden bij verwerking opdracht voor :
iView : pcd:com.sap.portal.system/temporaryobjects3/4724356e749138d998c4b71f189a0e3e/nl.vu.3NH.Verlofkaart
Naam component : null
Pagina kon iView niet creëren..
See the details for the exception ID in the log file