How To Fix RSB4HANA145 - Too many recursive calls. Manual analysis required.

SAP Error Message - Details

• Message type: E = Error

• Message class: RSB4HANA - B4HANA

• Message number: 145

• Message text: Too many recursive calls. Manual analysis required.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSB4HANA145 - Too many recursive calls. Manual analysis required. ?

  The SAP error message RSB4HANA145: Too many recursive calls. Manual analysis required. typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when there is an issue with the execution of a query or a data flow that leads to excessive recursion. This can happen due to various reasons, such as incorrect query design, circular references, or issues in the underlying data model.
  Causes:
  
  Circular References: The most common cause is a circular reference in the data model or query design, where a calculation or data flow references itself directly or indirectly.
  Complex Calculations: If the query involves complex calculations or hierarchies that lead to recursive calls, it can trigger this error.
  Incorrect Query Design: Poorly designed queries that do not handle data relationships properly can lead to excessive recursion.
  Data Model Issues: Problems in the underlying data model, such as incorrect joins or relationships between InfoObjects, can also lead to this error.
  
  Solutions:
  
  Review Query Design: Analyze the query to identify any circular references or complex calculations that may lead to recursion. Simplify the query if possible.
  Check Data Model: Review the data model for any circular references or incorrect relationships between InfoObjects. Ensure that the data model is designed correctly.
  Use Aggregates: If applicable, consider using aggregates to reduce the complexity of the query and avoid deep recursion.
  Limit Hierarchies: If the query involves hierarchies, consider limiting the depth of the hierarchy to prevent excessive recursion.
  Debugging: Use the SAP BW query debugger to step through the query execution and identify where the recursion is occurring.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP BW or BW/4HANA you are using for any known issues or patches.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on best practices for query design.
  Performance Tuning: Consider performance tuning techniques for your queries and data models to avoid complex recursive calls.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the issue persists after trying the above solutions, it may be necessary to engage SAP support for further assistance and a more in-depth analysis of the specific scenario.