Cannot use Lookup function in SSRS report in D365 F&O

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Posted on by Noman Rasheed

Hi,

I have created a SSRS report based on D365 F&O which contains three datasets. Everything works fine until I try to use Lookup function in SSRS. For simplicity consider I have a field named "Item Id" in Main Dataset (Applied on the tablix). In another dataset say "SecondaryDS" I have a field named "ItemId". I am matching the Item Id field in both datasets to fetch Name field from the "SecondaryDS".

This is a normal case for a SSRS Lookup function. In the Textbox box I have created the following expression.

=Lookup(Fields!ItemId.Value, Fields!ItemId.Value, Fields!Name.Value, "SecondaryDS")

The expression does not show any error but when I try to deploy the report I get the following error. Have anyone faced similar sort of issue. If yes please let me know

PS: I have done a workaround for solving my problem but I am just curious about how we will get this lookup function to work.

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GirishS 27,843 Moderator on at

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Hi Noman,

Can you double check whether the dataset name "SecondaryDS" match with the dataset name under SSRS report dataset node.

Thanks,

Girish S.

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Noman Rasheed 5 on at

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Hi Girish

Yes I have double checked it matches with DS name.

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GirishS 27,843 Moderator on at

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I too tried using the lookup method and got the same error.

I don't know the reason for that. But in future if you find solution to this please post the answer here which will be helpful for others.

If I find the solution in future I will update this thread.

Thanks,

Girish S.

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huijij 19,811 on at

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Hi Noman,

Thanks for your detailed issue description. In order to better investigate the cause of the error. It is recommended you create a support ticket for professional assistance following the below procedure.

Help + support | Power Platform admin center (microsoft.com)

Best Regards,

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