How To Fix W8152 - Expression & only allows single-line values

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 152

• Message text: Expression & only allows single-line values

What causes this issue?

You have tried to create another line for element &V1&.
There are elements in a container which are single-line by definition
and which are multi-line by definition. Element &V1& has been defined
as single-line and therefore can only be assigned a single-line value.

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?

Error message extract from SAP system. Copyright SAP SE.