help for group detail overlap ( i do don t know in english...)

lionel

hi there i need your help... i'm doiing a report with a group detail by country with subreport and i'm a little bit annoyed because i succeed in putting 4 details with information in one A4 page in landscape mode but the last one is always not completed or finish or cut in the middle will you please help me .. ?

example
page 1
header
-----------
group detail
part 1
Line 1
Line 2
Line 3
Line 4
part 2
Line 1
Line 2
Line 3
Line 4
Part 3
Line 1
Line 2
Line 3
Line 4
part 4
Line 1
Line 2
Line 3
Line 4
end group detail

but on page 2
page 1
header
-----------
group detail
part 1
Line 1
Line 2
Line 3
Line 4
part 2
Line 1
Line 2
Line 3
Line 4
Part 3
Line 1
Line 2
Line 3
Line 4
part 4
Line 1
Line 2

and the other part of page 2 is on page 3 !!
page 3
header
-----------
group detail
Line 3
Line 4

will you please help me ?

i can show you by jpeg of report but i don't know how to..
thanks
Lionel