The Excel buffer already exist identification field and value Row No =2 Column No = 1" error why and how solve - NAV Developers Forum - Dynamics NAV Users - DUG

Excel Buffer

Microsoft Dynamics NAV
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The Excel Buffer already exists. Identification fields and values: Row No.='2',Column No.='1'
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OK

Solution :-
This error only occurs when you have written code to generate excel and it is over writing some rows in Excel Format.

So check your code

This error only occurs when you have written code to generate excel and it is over writing some rows in Excel Format. 

So check your code.