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Data migration issue : sequence contains no elements

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Hi,

I have a business requirement where i have to move data from one tenant to other.I have migrated Master data but when I am trying to migrate Account entity data it is giving me Sequence contains no elements. I tried with CMT and also XRM toolbox both are giving same error.

can anyone please assist me with this issue.

Thanks in advance

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RudyZhang Microsoft Employee on at

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Hi,

Our team has analyzed your error and based on the results of our team's search
This error can have multiple causes, including incorrect migration configuration, missing dependencies, or incorrect use of the Entity Framework API.

Below is a possible solution
To verify the entity configuration, you can use the script to verify and fix the error by opening the Package Manager console in Visual Studio and running the command generation script. Please refer to the article in the link below for detailed steps.
https://stacktuts.com/how-to-fix-entity-framework-migrations-error-sequence-contains-no-elements-in-net

In addition, please backup your tenant's data before trying the above solution. The above solution is a generic solution and may not work for your tenant. If you try this solution and find that it does not solve your problem, please use the link below to seek official support from Microsoft.
https://admin.powerplatform.microsoft.com/support

I hope my answer is helpful to you! If you have any other questions, please feel free to contact me.

Best Regards,
Rudy Zhang

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