How To Fix RSOBI_MF043 - Cannot assign data type &1 to ABAP data type

SAP Error Message - Details

• Message type: E = Error

• Message class: RSOBI_MF - Messages for SOBI Model Factory

• Message number: 043

• Message text: Cannot assign data type &1 to ABAP data type

What causes this issue?

The data type &V1& of field &V4& from data structure &V2& of the
BusinessObject node &V3& could not be assigned to an ABAP data type.

System Response

The field &V4& is not included in the extract structure for the DataSour
ce &V5&.

How to fix this error?

Modify the DataSource &V5& manually if necessary.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSOBI_MF043 - Cannot assign data type &1 to ABAP data type ?

  The SAP error message RSOBI_MF043, which states "Cannot assign data type &1 to ABAP data type," typically occurs in the context of data extraction or transformation processes, particularly when working with SAP BW (Business Warehouse) or when dealing with ABAP programs.
  Cause:
  This error arises when there is a mismatch between the data types being used in the ABAP program and the data types defined in the InfoObject or data source. Common causes include:
  
  Data Type Mismatch: The data type of the field in the source system does not match the expected ABAP data type. For example, trying to assign a character string to a numeric field.
  Incompatible Lengths: The length of the data being assigned exceeds the defined length of the ABAP data type.
  Incorrect Mapping: When mapping fields in a transformation or data flow, if the source field's data type is not compatible with the target field's data type, this error can occur.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Types: Verify the data types of the fields in both the source and target systems. Ensure that they are compatible. You can do this by checking the data dictionary (SE11) for the relevant InfoObjects or data sources.
  
  
  Adjust Data Types: If there is a mismatch, you may need to adjust the data types in the transformation or the InfoObject definition. This may involve changing the data type in the target InfoObject to match the source or vice versa.
  
  
  Modify Transformation Logic: If the transformation logic is causing the issue, you may need to modify it to ensure that the data types are compatible. This could involve using ABAP code to convert data types appropriately.
  
  
  Check Field Lengths: Ensure that the lengths of the fields are compatible. If the source field is longer than the target field, you may need to truncate the data or adjust the target field length.
  
  
  Test the Changes: After making the necessary adjustments, test the data extraction or transformation process again to ensure that the error is resolved.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), and RSA1 (Data Warehousing Workbench) to investigate and modify the relevant objects.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Review SAP documentation on data types and transformations in BW to better understand how to handle data type assignments.
  
  By following these steps, you should be able to identify the cause of the RSOBI_MF043 error and implement a suitable solution.