How To Fix IDCN156 - Account Level &1 is used more than once (&2 times)

SAP Error Message - Details

• Message type: E = Error

• Message class: IDCN -

• Message number: 156

• Message text: Account Level &1 is used more than once (&2 times)

What causes this issue?

Same Account Level &V1& is used more than once in Account Level
Hierarchy. Each Account Level should be unique within hierarchy.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Change one of the Account Levels. Double click the message to navigate
to the node.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IDCN156 - Account Level &1 is used more than once (&2 times) ?

  The SAP error message IDCN156 indicates that an account level is being used more than once in a specific context, which is not allowed. This typically occurs in the context of account determination or configuration settings where unique account levels are required.
  Cause:
  The error arises when:
  
  An account level (e.g., a specific G/L account or a configuration setting) is assigned multiple times in the same context, such as in a configuration table or during the setup of account determination for a particular process (e.g., sales, purchasing, etc.).
  There may be duplicate entries in the configuration tables that define how accounts are determined for various transactions.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Duplicate Entries:
  
  Check the configuration settings related to the account level in question. This could involve looking at transaction codes like OBYC (for automatic account determination) or other relevant configuration transactions.
  Look for duplicate entries in the configuration tables that define account determination.
  
  
  
  Remove or Correct Duplicates:
  
  If you find duplicate entries, you will need to either remove the duplicates or correct them to ensure that each account level is unique within the context it is being used.
  Ensure that the account levels are correctly assigned according to your business requirements.
  
  
  
  Validate Configuration:
  
  After making changes, validate the configuration to ensure that it meets the business needs and does not introduce any new issues.
  
  
  
  Test Transactions:
  
  Perform test transactions to ensure that the error no longer occurs and that the account determination works as expected.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBYC (for account determination), OBA7 (for account assignment), and others that may be relevant to your specific configuration.
  Documentation: Refer to SAP documentation or help files for detailed guidance on account determination and configuration settings.
  Support: If the issue persists or if you are unsure about making changes, consider reaching out to your SAP support team or consulting with an SAP expert.
  
  By following these steps, you should be able to resolve the IDCN156 error and ensure that your account levels are configured correctly.