How To Fix RSL_UI289 - Header '&1' already exists. Adjust the header names in your source.

RSL_UI289 - Overview

• Message type: E = Error

• Message class: RSL_UI -

• Message number: 289

• Message text: Header '&1' already exists. Adjust the header names in your source.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSL_UI289 - Header '&1' already exists. Adjust the header names in your source. ?

  The SAP error message RSL_UI289, which states "Header '&1' already exists. Adjust the header names in your source," typically occurs in the context of SAP applications that involve data import or data processing, particularly when dealing with data sources that have headers or field names.
  
  Cause:
  This error arises when there are duplicate header names in the data source you are trying to upload or process. SAP requires that each header name in a dataset be unique to avoid confusion during data processing. If the same header name appears more than once, SAP cannot determine which data corresponds to which header, leading to this error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Duplicate Headers: Review the data source (e.g., an Excel file, CSV, or other formats) to identify any duplicate header names. This can often be done by visually inspecting the first row of your data or using a tool