How To Fix UACE053 - Too many possible combinations in posting level

SAP Error Message - Details

• Message type: E = Error

• Message class: UACE - Costing Engine

• Message number: 053

• Message text: Too many possible combinations in posting level

What causes this issue?

There are too many possible combinations in the posting level

System Response

The system terminated the calculation of possible posting level
combinations because the maximum number of 32,000 combinations was
exceeded.

How to fix this error?

Check your entries and restrict the specified posting level further.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UACE053 - Too many possible combinations in posting level ?

  The SAP error message UACE053, which states "Too many possible combinations in posting level," typically occurs in the context of the SAP system's financial accounting or controlling modules. This error indicates that the system has encountered an excessive number of possible combinations for a particular posting level, which can lead to performance issues or exceed system limits.
  Cause:
  
  Excessive Combinations: The error is often triggered when there are too many combinations of account assignments, such as cost centers, internal orders, or other dimensions that the system needs to evaluate during a posting.
  Configuration Issues: It may arise from incorrect or overly complex configuration settings in the financial or controlling modules, such as the way account assignments are set up.
  Data Volume: High volumes of data or transactions that require evaluation against multiple criteria can also lead to this error.
  
  Solution:
  
  Review Configuration: Check the configuration settings related to account assignments in the relevant modules (e.g., Financial Accounting (FI), Controlling (CO)). Simplifying the configuration or reducing the number of dimensions used in postings can help.
  Limit Combinations: If possible, limit the number of combinations that the system needs to evaluate. This can involve consolidating certain account assignments or reducing the number of dimensions used in the posting.
  Batch Processing: If the error occurs during a batch process, consider breaking the batch into smaller parts to reduce the number of combinations processed at one time.
  Check for Data Issues: Ensure that there are no data inconsistencies or errors that could be causing an excessive number of combinations.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates that may address this specific error. There may be patches or recommendations provided by SAP.
  Performance Tuning: If the issue is related to performance, consider performance tuning of the database or the application to handle larger volumes of data more efficiently.
  
  Related Information:
  
  Transaction Codes: You may want to look into transaction codes like OBYC (for account determination) or OKB9 (for cost center accounting) to review and adjust configurations.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered and resolved similar issues.
  Documentation: Refer to SAP documentation for detailed guidelines on configuring account assignments and understanding posting levels.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP Basis or technical team for further analysis, or to reach out to SAP support for assistance.