How To Fix LTR_MODEL_APPL161 - Reference types are not supported

LTR_MODEL_APPL161 - Overview

• Message type: E = Error

• Message class: LTR_MODEL_APPL -

• Message number: 161

• Message text: Reference types are not supported

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR_MODEL_APPL161 - Reference types are not supported ?

  The SAP error message LTR_MODEL_APPL161 indicates that there is an issue with reference types in the context of the SAP Landscape Transformation (SLT) replication model. This error typically arises when you are trying to replicate data from a source system to a target system, and the system encounters a reference type that is not supported in the current configuration.
  
  Cause:
  
  Unsupported Reference Types: The error usually occurs when the data model includes reference types (like certain foreign key relationships) that are not supported by the SLT replication framework.
  
  Configuration Issues: There may be configuration settings in the SLT system that do not allow for the replication of certain reference types.
  Data Model Design: The design of the data model in the source system may include complex relationships that SLT cannot handle.
  
  
  Solution:
  
  Review Data Model: Check the data model in the source system to identify any reference types that may be causing the issue. Simplifying the