2718135 - Upload of Solution Failed with the Error: Association XYZ is a cross-deployment-unit association

You are trying to upload your solution to the target tenant but the deployment failed with the below error:-

Association XYZ is a cross-deployment-unit association, where XYZ is the association name.

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1. Login to SDK.
2. Upload the ZIP file of the solution.
3. Deployment failed with the error.

This is because you have the custom business object (BO-1) belongs to one deployment unit eg. Foundation and you have an association within the custom BO-1 to an another BO (BO-2). Where the BO-2 belongs to an another deployment unit for eg. Customer Relationship Management.

This is a cross-deployment association which is not allowed.

In such cases you can only read values, you cannot change/ assign values. You will have to use a BO which is in the same deployment unit to achieve your requirement.

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