How To Fix CRM_IC_AUI156 - Each parameter can exist only once

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_IC_AUI - Messages for Agent's Universal Inbox

• Message number: 156

• Message text: Each parameter can exist only once

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_IC_AUI156 - Each parameter can exist only once ?

  The SAP error message CRM_IC_AUI156, which states "Each parameter can exist only once," typically occurs in the context of the SAP CRM Interaction Center (IC) when there is an issue with the parameters being passed to a function or method. This error indicates that a parameter is being defined or used more than once, which is not allowed.
  Cause:
  
  Duplicate Parameters: The most common cause of this error is that the same parameter is being defined multiple times in a function call or configuration.
  Incorrect Configuration: There may be an issue in the configuration of the Interaction Center, where parameters are incorrectly set up.
  Custom Development: If there are custom enhancements or developments, they might be introducing duplicate parameters inadvertently.
  
  Solution:
  
  Check Function Calls: Review the function or method calls in your code or configuration to ensure that each parameter is defined only once. Look for any duplicate entries.
  Review Configuration: Go through the configuration settings in the SAP CRM system to ensure that parameters are not duplicated in the settings.
  Debugging: If you are working with custom code, use debugging tools to trace the execution and identify where the duplicate parameters are being introduced.
  Consult Documentation: Refer to SAP documentation or notes related to the specific function or method you are using to ensure that you are following the correct parameter usage guidelines.
  SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights or patches if it is a known issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on best practices for parameter usage in the Interaction Center.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  Testing: After making changes, thoroughly test the functionality to ensure that the error is resolved and that no new issues have been introduced.
  
  By following these steps, you should be able to identify and resolve the cause of the CRM_IC_AUI156 error in your SAP system.