How To Fix IUUC_RT012 - Sender system type not supported

IUUC_RT012 - Overview

• Message type: E = Error

• Message class: IUUC_RT - IUUC Runtime Messages

• Message number: 012

• Message text: Sender system type 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.

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 IUUC_RT012 - Sender system type not supported ?

  The SAP error message IUUC_RT012, which states "Sender system type not supported," typically occurs in the context of SAP Landscape Transformation (SLT) or SAP Data Services when there is an issue with the configuration of the source system or the type of data source being used.
  
  Cause:
  
  Unsupported Source System: The error may arise if the source system is not recognized or supported by the SLT configuration. This can happen if the source system is not an SAP system or if it is an unsupported version of an SAP system.
  Incorrect Configuration: There may be a misconfiguration in the SLT setup, such as incorrect settings in the configuration of the replication server or the source system.
  Missing or Incorrect RFC Connection: The Remote Function Call (RFC) connection to the source system may not be set up correctly, or the connection may not be active.
  Version Compatibility: The version of the SLT or the source system