How To Fix ALSMEX010 - Select the fields in both windows that belong together

ALSMEX010 - Overview

• Message type: E = Error

• Message class: ALSMEX - Message Class for Legacy Data Transfer

• Message number: 010

• Message text: Select the fields in both windows that belong together

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

ALSMEX010 - Details

• The SAP error message ALSMEX010 typically occurs when using the LSMW (Legacy System Migration Workbench) tool in SAP. This error indicates that there is a mismatch in the field selection between the source structure and the target structure during the data migration process. Specifically, it means that the fields selected in the source and target windows do not correspond correctly.
  
  Cause:
  The error is caused by one of the following reasons:
  
  Field Mismatch: The fields selected in the source and target do not match in terms of their data types or structure.
  Incorrect Mapping: The mapping of fields between the source and target structures is not correctly defined.
  Missing Fields: Some required fields may not have been selected in either the source or target structure.
  
  
  Solution:
  To resolve the ALSMEX010 error, follow these steps:
  
  
  Check Field Selection:
  
  Go to the LSMW project and navigate to the step where you define the field mapping.
  Ensure that the fields selected in both