How To Fix DMC_RT_MSG055 - Table &1, field &2: Data type &3 replaced by &4

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 055

• Message text: Table &1, field &2: Data type &3 replaced by &4

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 DMC_RT_MSG055 - Table &1, field &2: Data type &3 replaced by &4 ?

  The SAP error message DMC_RT_MSG055 typically indicates that there is a data type mismatch in a specific table and field during a data transfer or transformation process. This message is part of the Data Migration Cockpit (DMC) or related data management tools in SAP.
  Cause:
  The error occurs when the data type of a field in the source system does not match the expected data type in the target system. For example, if the source field is defined as a string (CHAR) but the target field is defined as an integer (INT), the system will replace the data type to accommodate the mismatch, which can lead to data integrity issues.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Mapping: Review the data mapping configuration in the Data Migration Cockpit. Ensure that the source and target fields are correctly mapped and that their data types are compatible.
  
  
  Adjust Data Types: If possible, adjust the data types in the source or target system to ensure they match. This may involve changing the data type in the source system or modifying the target field definition.
  
  
  Data Transformation: If changing the data types is not feasible, consider implementing a data transformation step that converts the data from the source type to the target type before loading it into the target system.
  
  
  Review Data: Check the actual data being transferred. Sometimes, the data itself may contain values that are not compatible with the target field's data type. Clean or transform the data as necessary.
  
  
  Consult Documentation: Refer to SAP documentation or the Data Migration Cockpit guidelines for specific instructions on handling data type mismatches.
  
  
  Testing: After making adjustments, perform a test migration to ensure that the changes resolve the issue without introducing new errors.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this specific error message.
  Data Migration Cockpit: Familiarize yourself with the features and capabilities of the Data Migration Cockpit, as it provides tools for mapping, transforming, and validating data.
  Data Types in SAP: Understanding the various data types used in SAP (e.g., CHAR, NUMC, DATS) can help in troubleshooting and resolving data type issues.
  
  By following these steps, you should be able to identify the root cause of the DMC_RT_MSG055 error and implement an appropriate solution.