Electronic reporting error - How to get an information bound

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Posted on by Kristina K

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I am facing an error like this

Evaluating expression for path 'model/InvoiceCustomerAccount/AccountNum'.Path 'InvoiceCustomerAccount/AccountNum' is not bound

Where do I go to get this solved?

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Hana Xue Microsoft Employee on at

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Hi,
It may be that the path is not bound to any data source when using the model's mapping.
You can check out the ER's checklist mentioned in the link. It lists the error messages produced by missing bindings and shows in detail how this problem occurs and how to solve it. You can check: Inspect the configured ER component to prevent runtime issues - Finance & Operations | Dynamics 365 | Microsoft Learn

Best Regards,
Hana

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Verified answer

Alireza Eshaghzadeh 14,839 Super User 2025 Season 2 on at

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Hi Kristina,

The error message means that you used a mapping on the format designer (like Free text invoice (Excel)) that has no binding on model mapping.

To resolve the issue, you can use "model.InvoiceBase.InvoiceAccount.AccountNum "on format designer that already have binding on model mapping.
If you want to use model/InvoiceCustomerAccount/AccountNum on your format designer, you need to create a dervied version for model mapping and build the mapping for model/InvoiceCustomerAccount/AccountNum.

Format designer:

Model mapping:

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