Archive xx uncompletely read message

Archive xx uncompletely read message

Hello, colleagues!
We try to move from Zenon 6.51 build 14 to 7.00 build 2 version.
So we have some questions while this process, that is one of them:
In our project we use self-written program module to archives access with use of archiveFilter.QueryBlock function.
For just any request we get popup window with text
"Archive FF incompletely read. Insert smaller time area or deactivate a curve!"
While starting 6.51 with same project before converting to 7.00 this message does not appear.
How to prevent this message from appear?

This is a migrated post! Originally posted on 12.10.2012 by user stolyarov_as. Please be aware that information can be outdated.