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[v-henryk-mstf · Accepted solution]

Hi @IgalRiga ,

The reason for this kind of error is the problem of data model, as the connected field in the dimension table needs to have the feature of unique identification, if the value in the field has no corresponding value in the fact table, then the corresponding row part will be shown as empty after referencing, refer to the following screenshot.

So you need to re-adjust your data model with the business requirements by referring to the following document.

Understand star schema and the importance for Power BI - Power BI | Microsoft Docs

If the problem is still not resolved, please provide detailed error information and test data. Looking forward to your reply.

Best Regards,
Henry

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.