How To Fix B1543 - SAP code: Assign the ISO code field on the detail screen

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 543

• Message text: SAP code: Assign the ISO code field on the detail screen

What causes this issue?

An ISO code from the external structure must be assigned to each SAP
code in the internal structure.

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?

Assign an ISO code field from the external structure on the detail
screen (select F2). Select F4 to display possible entries.
If no ISO code field exists, the external structure is incorrect. You
must add another ISO code field.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1543 - SAP code: Assign the ISO code field on the detail screen ?

  The SAP error message B1543, which states "Assign the ISO code field on the detail screen," typically occurs in the context of managing business partner data or material master data where an ISO code is required but not assigned.
  
  Cause:
  The error is usually triggered when:
  
  A business partner or material master record is being created or modified, and the ISO code (which represents the international standard for country codes) is not filled in.
  The system requires this field to be populated for compliance, reporting, or integration purposes.
  
  
  Solution:
  To resolve the B1543 error, you can follow these steps:
  
  
  Access the Detail Screen: Navigate to the detail screen of the relevant business partner or material master record where the error is occurring.
  
  
  Locate the ISO Code Field: Look for the field labeled "ISO Code" or similar. This is often found in the address or identification section of the business partner or material master data.
  
  
  Assign the ISO Code: Enter