How To Fix RS_HCPR_MODEL149 - Source field '&1' needs the same parameter type as target field '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_HCPR_MODEL - Messages related to the HANA Composite Provider Backend

• Message number: 149

• Message text: Source field '&1' needs the same parameter type as target field '&2'

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 RS_HCPR_MODEL149 - Source field '&1' needs the same parameter type as target field '&2' ?

  The SAP error message RS_HCPR_MODEL149 indicates a mismatch in parameter types between a source field and a target field in a data model or transformation process. This typically occurs in scenarios involving data extraction, transformation, or loading (ETL) processes, particularly when working with SAP BW (Business Warehouse) or SAP HANA.
  Cause:
  The error arises when the data types of the source field and the target field do not match. For example, if the source field is defined as a character type (CHAR) and the target field is defined as a numeric type (NUM), the system will throw this error because it cannot convert or map the data correctly.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Types: Verify the data types of both the source field (&1) and the target field (&2). Ensure that they are compatible. You can do this by checking the data model or transformation settings in the SAP system.
  
  
  Modify Data Types: If the data types are indeed different, you may need to modify one of them to ensure they match. This could involve:
  
  Changing the data type of the source field in the source system or data model.
  Changing the data type of the target field in the target system or data model.
  
  
  
  Use Data Type Conversion: If changing the data types is not feasible, consider implementing a data type conversion in the transformation logic. This can be done using functions or expressions that convert the data from one type to another.
  
  
  Review Transformation Logic: If you are using a transformation, review the logic to ensure that it correctly handles the data types. You may need to add additional checks or conversions in the transformation rules.
  
  
  Test the Changes: After making the necessary adjustments, test the data load or transformation process again to ensure that the error is resolved.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on data types and transformations in SAP BW or SAP HANA.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) or RSC1 (InfoObject Maintenance) to navigate the data model and transformation settings.
  
  By following these steps, you should be able to identify and resolve the RS_HCPR_MODEL149 error effectively.