This exception signals that a SAFEARRAY's rank does not match the rank in the method signature; it might be thrown when invoking a managed method.

public class SafeArrayRankMismatchException : SystemException {
// Public Constructors
   public SafeArrayRankMismatchException( );
   public SafeArrayRankMismatchException(string message);
   public SafeArrayRankMismatchException(string message, Exception inner);
// Protected Constructors
   protected SafeArrayRankMismatchException(System.Runtime.Serialization.SerializationInfo info,
       System.Runtime.Serialization.StreamingContext context);
}

Hierarchy

System.Object System.Exception(System.Runtime.Serialization.ISerializable) System.SystemException SafeArrayRankMismatchException