What does the following messages means !

Wei Xie (xiewei@clever.weizmann.ac.il)
Wed, 17 Mar 1999 23:35:43 +0200 (IST)

Dear ROOTers'

I got the following warning messages. Could you give me
some explaination ?

*************
class DAQ in DAQ.h line 9 original base of virtual func
class Moniter in Moniter.h line 14 original base of virtual func
*** Datamember DAQ::OnlineDataFile: pointer to fundamental type (need
manual intervention)
*********
(Note: FILE *OnlineDataFile)

Sincerely yours
Xie