How To Fix F1026 - ID of previous declaration should be entered for substitute declarations

F1026 - Overview

• Message type: E = Error

• Message class: F1 - FI Function Module Messages

• Message number: 026

• Message text: ID of previous declaration should be entered for substitute declarations

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message F1026 - ID of previous declaration should be entered for substitute declarations ?

  The SAP error message F1026, which states "ID of previous declaration should be entered for substitute declarations," typically occurs in the context of financial or tax reporting within the SAP system. This error is related to the handling of substitute declarations, which are used when a previous declaration needs to be referenced for corrections or adjustments.
  
  Cause:
  The error arises when you are trying to create a substitute declaration without providing the necessary reference to the original declaration. In SAP, when you want to submit a substitute declaration (for example, to correct a previously submitted tax return), you must specify the ID of the original declaration that you are substituting.
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Identify the Original Declaration: Determine the ID of the original declaration that you need to reference. This could be a tax return or any other relevant document that was previously submitted.
  
  
  Enter the ID: When creating the substitute