How To Fix DMCLG488 - Different data path type in structure relation &1 << &2 in '&3' and '&4'

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 488

• Message text: Different data path type in structure relation &1 << &2 in '&3' and '&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 DMCLG488 - Different data path type in structure relation &1 << &2 in '&3' and '&4' ?

  The SAP error message DMCLG488 indicates that there is a mismatch in the data path types in a structure relation. This typically occurs when you are working with data models or structures in SAP, particularly in the context of Data Management or Data Warehousing.
  Cause:
  The error arises when there is an inconsistency between the data types defined in two related structures. Specifically, it suggests that the data path types (e.g., whether they are defined as a key, a reference, or a different type) do not match between the two structures being compared or related.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify the Structures: Look at the error message to identify the structures involved (indicated by &3 and &4 in the message). 
  
  
  Check Data Path Types: Review the definitions of the structures to ensure that the data path types are consistent. You can do this by:
  
  Navigating to the Data Dictionary (SE11) in SAP.
  Checking the field definitions in both structures to ensure they match in terms of data types, lengths, and attributes.
  
  
  
  Modify the Structures: If you find discrepancies, you will need to modify one of the structures to ensure that the data path types align. This may involve changing the data type of a field or adjusting the structure definition.
  
  
  Activate Changes: After making the necessary changes, make sure to activate the structures to apply the modifications.
  
  
  Test the Changes: After activation, test the functionality that was causing the error to ensure that the issue has been resolved.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate and modify the structures.
  Documentation: Refer to SAP documentation or help resources for more detailed information on data structures and types.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.