How To Fix CRD_RUN323 - This number of constraints is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: CRD_RUN - General Messages for CRD Runtime

• Message number: 323

• Message text: This number of constraints is not supported

What causes this issue?

An attempt was made to generate an access method for the
<DS:GLOS.44B00BD7D54B5062E10000000A1553FE>participant group</> that
contains either no constraints, or more than two. However, this is <ZH>
not</> supported in the standard.

System Response

The current program is canceled.

How to fix this error?

Check the Customizing for the <DS:GLOS.44EC9DA67CB70A1CE10000000A1553ED>
requirement assignments</>.

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 CRD_RUN323 - This number of constraints is not supported ?

  The SAP error message CRD_RUN323, which states "This number of constraints is not supported," typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar modules where constraints are defined for planning or optimization tasks. This error indicates that the number of constraints you are trying to use exceeds the limits set by the system or the configuration.
  Cause:
  
  Exceeding Limits: The error is often caused by exceeding the maximum number of constraints that can be processed in a single run. Each planning run has a predefined limit on the number of constraints that can be handled.
  Configuration Issues: There may be configuration settings that limit the number of constraints, or the model being used may not be optimized for the number of constraints you are trying to apply.
  Data Model Complexity: If the data model is overly complex or if there are too many variables defined, it can lead to this error.
  
  Solution:
  
  Reduce the Number of Constraints: Review the constraints you are using and try to simplify or reduce them. This may involve combining constraints or removing unnecessary ones.
  Check Configuration Settings: Look into the configuration settings of your planning model to see if there are any parameters that can be adjusted to allow for more constraints.
  Optimize the Model: If possible, optimize the data model to reduce complexity. This may involve restructuring how constraints are defined or how data is organized.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of the software you are using. There may be specific recommendations or limitations documented.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration or version.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on constraints in your version of SAP.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Performance Tuning: Consider performance tuning of your planning runs, as sometimes performance issues can lead to unexpected errors.
  
  By addressing the number of constraints and ensuring that your configuration aligns with the capabilities of your SAP system, you should be able to resolve the CRD_RUN323 error.