How To Fix 1K123 - Transaction type &1 and guarant. trans.type &2 have differing +/- signs

1K123 - Overview

• Message type: E = Error

• Message class: 1K - BCA: Account Type

• Message number: 123

• Message text: Transaction type &1 and guarant. trans.type &2 have differing +/- signs

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 1K123 - Transaction type &1 and guarant. trans.type &2 have differing +/- signs ?

  The SAP error message 1K123 indicates that there is a mismatch in the sign (positive or negative) between the transaction type and the guarantee transaction type in a financial transaction. This typically occurs in the context of financial accounting or treasury management, where transactions are expected to have consistent signs for proper processing.
  
  Cause:
  The error arises when:
  
  The transaction type (e.g., a payment or receipt) has a different sign than the associated guarantee transaction type. For example, if the transaction type is a debit (negative) and the guarantee transaction type is a credit (positive), or vice versa.
  This inconsistency can occur due to incorrect configuration settings, data entry errors, or issues with the underlying business logic in the transaction processing.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration:
  
  Review the configuration settings for the transaction types in the SAP system. Ensure that the transaction type and the guarantee transaction type are correctly