How To Fix W8131 - Multiline element & cannot be assigned to a single-line element

W8131 - Overview

• Message type: E = Error

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

• Message number: 131

• Message text: Multiline element & cannot be assigned to a single-line element

What causes this issue?

The container element &v1& has been defined as a multiline element.
Since the corresponding element of the target container has been
defined as a single-line element, the assignment cannot be carried out.

System Response

The binding cannot be defined.

How to fix this error?

If you want to execute parallel processing of this activity for each
value of the multiline element, you must enter the relevant container
element as a <LS>multiline element</> on the tab page <LS>Other</> for
the activity.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message W8131 - Multiline element & cannot be assigned to a single-line element ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  W8131: Multiline element & cannot be assigned to a single-line element
  
  
  Cause:
  This warning occurs when you try to assign or map a multiline (long text or multiline string) element to a single-line element in SAP. In other words, the source field contains multiple lines or a long text, but the target field is defined to hold only a single line of text.
  This typically happens in scenarios such as:
  
  Data transfer or mapping in IDocs, BAPIs, or data migration where the source structure has multiline text fields.
  Screen field assignments where a multiline text is assigned to a single-line screen field.
  ABAP code where a variable of type string or table of strings is assigned to a variable of type char or a single-line string.
  
  
  Explanation:
  
  Multiline element: A field that can contain multiple lines of text, e.g., a long text field, a string with line