Breakdown by &1: Maximum sets &3 and &4 not equivalent

What causes this issue?

The breakdown category of item &V2& contains the maximum set &V3& for
characteristic &V1&. The values contained in this set do not coincide
with those of maximum set &V4& of the comparison item.
The breakdowns are not compatible in this context.

System Response

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

How to fix this error?

Consider ensuring the compatibility of the breakdowns by using the same
maximum set.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.