The report canot be used for variants using SOT based segments.

What causes this issue?

You used the report ATP_BOP_VARIANT_GENERATION to generate/execute BOP
variants which use segments with SOT (Select-Option tool) definitions.

System Response

The report is aborted as it can only be used for HRF based variants.

How to fix this error?

Use the report ATP_BOP_SOT_GENERATION for SOT based variants.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.