Empty Report when field Value is a multiplier of 256

Good morning from South-Tyrol, Italy!
I got a strange behavior of Crystal Reports XI R2 SP5: two tables are combined with an Left Inner Join through an long integer field (the number of the header record of a document and the singles lines of the same document). Now I get an empty report, when the number of the document is 256, 512, 768, 1024 and so on! All other documents are viewed in the right matter.
I'm using the native connection to an Pervasive database (PervasiveSQL 2000i) but the same behavior will happen when I change to ODBC.
With Crystal Reports XI SP4 this problem not occured; I upgraded my application just this weekend!
Thank you for help!
Jens Ferstl

Hi again,
Only for completeness: the problem isn't restricted to the tables described above: always when a table is connected to anther trough an integer (with key) data's arn't retrieved (or displayed).
Dear Don, did you find the origin of the problem? I'm would like to upgrade my application to CrXI R2 because this version resolves a important problem I have with CrXI (application crashes) and need to plan times.
Thank you,
Jens

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