How To Fix W8182 - References '&1' and '&2' are not compatible

SAP Error Message - Details

• Message type: E = Error

• Message class: W8 - Workflow: Expressions, data flow

• Message number: 182

• Message text: References '&1' and '&2' are not compatible

What causes this issue?

In the binding, an attempt was made to assign an element with the
reference &V1& an element with the reference &V2&. Neither reference
can be converted into the form of the other reference.
This binding operation is not possible.

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?

Choose a compatible partner for this assignment - the compatible
allocation elements are highlighted with colors in the F4 input help.

Error message extract from SAP system. Copyright SAP SE.