How To Fix RTC_COMM012 - Set &1 does not match the &2 field; their data elements must match

SAP Error Message - Details

• Message type: E = Error

• Message class: RTC_COMM -

• Message number: 012

• Message text: Set &1 does not match the &2 field; their data elements must match

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 RTC_COMM012 - Set &1 does not match the &2 field; their data elements must match ?

  The SAP error message RTC_COMM012 indicates a mismatch between two fields in a data structure, specifically that the data elements of the fields do not match. This error typically arises in the context of data transfer or data mapping, such as when working with data migration, interfaces, or data processing in SAP.
  
  Cause:
  The error occurs when:
  
  Two fields that are expected to be compatible (e.g., in a mapping or data transfer) have different data types or attributes.
  The field definitions (data elements) for the two fields do not align, which can happen if one field is defined as a character type and the other as a numeric type, or if they have different lengths or decimal places.
  There may be a configuration issue in the data model or mapping logic that leads to this inconsistency.
  
  
  Solution:
  To resolve the RTC_COMM012 error, you can take the following steps:
  
  
  Check Field Definitions: 
  
  Review the data elements of both fields