Hello ,
I have a list definition with Element.xml and Schema.xml, in the AllItem i have a correct view but when a have to add new element a have an error, in the logs files a have got this message:
SPException thrown: Message: Can not find the default create form for List ***** .. Stack: in Microsoft.SharePoint.Utilities.SPUtility.ThrowSPExceptionWithTraceTag(UInt32 tagId, ULSCat traceCategory, String resourceId, Object[] resourceArgs)