How To Fix FSC1026 - Assignment to main transactions is not possible (application &1)

FSC1026 - Overview

• Message type: E = Error

• Message class: FSC1 - FI-CA Extended: Message Class

• Message number: 026

• Message text: Assignment to main transactions is not possible (application &1)

What causes this issue?

The system could not assign transactions to internal transactions.

System Response

How to fix this error?

INCLUDE FICA_NA_CUST_1 OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

FSC1026 - Details

• The SAP error message FSC1026, which states "Assignment to main transactions is not possible (application &1)," typically occurs in the context of financial transactions, particularly when dealing with the assignment of sub-transactions to main transactions in the SAP system. This error can arise in various applications, such as Financial Accounting (FI) or Controlling (CO).
  
  Cause:
  The error can be caused by several factors, including:
  
  
  Incorrect Configuration: The main transaction may not be configured to accept the sub-transaction you are trying to assign. This could be due to missing settings in the transaction configuration.
  
  
  Transaction Type Restrictions: Certain transaction types may have restrictions on which sub-transactions can be assigned to them. If the sub-transaction does not meet the criteria set for the main transaction, the assignment will fail.
  
  
  Data Inconsistencies: There may be inconsistencies in the data or master records that prevent the assignment from being processed correctly.
  
  
  Authorization Issues: The user may not have the necessary