How To Fix /AIF/API_CUST149 - Too many custom hints found

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/API_CUST -

• Message number: 149

• Message text: Too many custom hints found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /AIF/API_CUST149 - Too many custom hints found ?

  The SAP error message /AIF/API_CUST149 Too many custom hints found typically occurs in the context of the SAP Application Interface Framework (AIF). This error indicates that the system has encountered an excessive number of custom hints during the processing of an interface, which can lead to performance issues or processing failures.
  Cause:
  
  Excessive Custom Hints: The error is triggered when the number of custom hints defined in the AIF configuration exceeds a predefined limit. Custom hints are used to provide additional information or guidance during the processing of messages.
  Configuration Issues: There may be a misconfiguration in the AIF settings, leading to an unintended accumulation of custom hints.
  Data Volume: High volumes of data being processed can lead to the generation of many custom hints, especially if the data is not clean or if there are many validation rules in place.
  
  Solution:
  
  Review Custom Hints: Check the custom hints defined in your AIF configuration. Identify any unnecessary or redundant hints that can be removed or consolidated.
  Optimize Configuration: Ensure that the AIF configuration is optimized. This may involve reviewing the message processing logic and reducing the number of hints generated during processing.
  Increase Limit (if applicable): If the business requirement justifies it, consider increasing the limit for custom hints in the AIF settings. This should be done cautiously and with consideration of performance implications.
  Data Cleansing: If the error is related to data volume, consider implementing data cleansing processes to reduce the number of errors and hints generated during processing.
  Consult Documentation: Refer to the SAP documentation for AIF to understand the specific limits and best practices regarding custom hints.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on best practices for managing custom hints in AIF.
  Performance Monitoring: Use SAP performance monitoring tools to analyze the processing of interfaces and identify bottlenecks or areas for improvement.
  Community Forums: Engage with the SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.