How To Fix LTR2_CM_CHECK_PRESEL012 - Child data model: &3

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_CM_CHECK_PRESEL - LTR2 checks on selection option/preselection settings

• Message number: 012

• Message text: Child data model: &3

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_CM_CHECK_PRESEL012 - Child data model: &3 ?

  The SAP error message LTR2_CM_CHECK_PRESEL012 typically relates to issues in the context of data modeling, particularly when working with the SAP Landscape Transformation (SLT) or SAP Data Services. This error indicates that there is a problem with the child data model in relation to the parent data model.
  Cause:
  The error message LTR2_CM_CHECK_PRESEL012 can occur due to several reasons, including:
  
  Inconsistent Data Model: The child data model may not be properly defined or may have inconsistencies with the parent data model.
  Missing Relationships: There may be missing relationships or foreign key constraints between the parent and child data models.
  Configuration Issues: Incorrect configuration settings in the data model or transformation rules can lead to this error.
  Data Type Mismatches: Mismatches in data types between the parent and child models can also trigger this error.
  
  Solution:
  To resolve the LTR2_CM_CHECK_PRESEL012 error, you can follow these steps:
  
  Check Data Model Definitions: Review the definitions of both the parent and child data models to ensure they are correctly defined and consistent with each other.
  Verify Relationships: Ensure that all necessary relationships and foreign key constraints are properly defined between the parent and child models.
  Review Configuration Settings: Check the configuration settings in the data model and transformation rules to ensure they are set up correctly.
  Data Type Validation: Validate that the data types in the child model match those in the parent model. Make adjustments as necessary.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SLT or Data Services you are using for any additional troubleshooting steps or known issues.
  Testing: After making changes, test the data model to ensure that the error is resolved.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review the official SAP documentation for SLT or Data Services for best practices in data modeling and transformation.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.