VBA FindNext function does not work in a function

Hello,
Who can help me out here ?

I am using the FindNext function for searching large ranges of data.
That works fine in a sub, but not in a function.

Works fine in a sub:

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But not in a Function:

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On the row "Set searchItem = .FindNext(searchItem)" the searchItem resets to 'nothing'.

What could I be missing here ?

Thanks for your help.

Arnold

I just found out that is seems to be a 'known-issue' with functions.
Fixed it by this instead of FindNext:

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So i think FindNext would have been faster, but for now I will use this.
Arnold