How To Fix RSDA184 - Field '&1': Length changed from &2 to &3 for data type '&4'

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDA - BW Archiving: Messages

• Message number: 184

• Message text: Field '&1': Length changed from &2 to &3 for data type '&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 RSDA184 - Field '&1': Length changed from &2 to &3 for data type '&4' ?

  The SAP error message RSDA184 indicates that there is a discrepancy in the length of a field in a DataSource or InfoObject. Specifically, it means that the length of a field has changed from one value to another, which can lead to issues when trying to load or process data.
  Cause:
  The error typically arises due to one of the following reasons:
  
  DataSource Changes: The structure of the DataSource has been modified, and the length of a field has been altered. This can happen if the underlying database schema has changed.
  InfoObject Changes: The InfoObject definition in the SAP BW system has been modified, leading to a mismatch in the expected field length.
  Data Type Mismatch: The data type of the field has been changed, which can also affect the length of the field.
  
  Solution:
  To resolve the RSDA184 error, you can follow these steps:
  
  
  Check DataSource and InfoObject Definitions:
  
  Verify the definitions of the DataSource and the InfoObject in the SAP BW system. Ensure that the field lengths match the expected values.
  If the DataSource has been changed, you may need to adjust the InfoObject accordingly.
  
  
  
  Adjust Field Lengths:
  
  If the field length in the DataSource has been increased or decreased, update the corresponding InfoObject to reflect this change.
  You can do this by going to the InfoObject maintenance transaction (e.g., RSD1) and adjusting the field length.
  
  
  
  Re-activate the DataSource:
  
  After making changes, re-activate the DataSource to ensure that the changes take effect. This can be done in the DataSource maintenance transaction (e.g., RSA1).
  
  
  
  Check for Data Type Compatibility:
  
  Ensure that the data types of the fields in the DataSource and InfoObject are compatible. If there is a mismatch, adjust the data types accordingly.
  
  
  
  Test Data Load:
  
  After making the necessary adjustments, perform a test data load to verify that the error has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  RSA1: Data Warehousing Workbench
  RSD1: InfoObject Maintenance
  RSA3: DataSource Test
  
  
  Documentation: Refer to SAP Help documentation for more details on DataSource and InfoObject management.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  By following these steps, you should be able to resolve the RSDA184 error and ensure that your DataSource and InfoObject definitions are aligned correctly.