Error in calculation guideline: &1 in line &2, column &3, symbol &4

What causes this issue?

The calculation guideline is incorrect. Error &V1& has occurred in line
&V2& and column &V3& of symbol &V4&.

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?

Please check that the calculation guideline has the correct syntax.

Error message extract from SAP system. Copyright SAP SE.