How To Fix WAB184 - Source structure &1 required for requirement class &2 (Event &3/Group &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: WAB - Messages Settlement Management

• Message number: 184

• Message text: Source structure &1 required for requirement class &2 (Event &3/Group &4)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WAB184 - Source structure &1 required for requirement class &2 (Event &3/Group &4) ?

  The SAP error message WAB184 indicates that a source structure is required for a specific requirement class in the context of a work breakdown structure (WBS) or project management. This error typically arises when there is a missing configuration or setup in the system that is necessary for the system to process the requirement class associated with the event and group specified in the error message.
  Cause:
  
  Missing Source Structure: The primary cause of this error is that the source structure (which is a data structure that defines how data is organized and processed) for the specified requirement class is not defined in the system.
  Configuration Issues: There may be issues with the configuration of the requirement class or the event/group settings in the project management module.
  Inconsistent Data: The data related to the requirement class may be inconsistent or incomplete, leading to the inability of the system to find the necessary source structure.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for the requirement class in the SAP system. You can do this by navigating to the relevant transaction codes (e.g., SPRO) and checking the settings under Project Management or Work Breakdown Structure.
  Ensure that the source structure is defined for the requirement class mentioned in the error message.
  
  
  
  Define Source Structure:
  
  If the source structure is missing, you will need to define it. This may involve creating a new source structure or modifying an existing one to ensure it aligns with the requirement class.
  
  
  
  Review Event and Group Settings:
  
  Check the settings for the event and group specified in the error message. Ensure that they are correctly configured and that they reference the appropriate requirement class.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for guidance on how to set up requirement classes and source structures. This can provide insights into the necessary steps and configurations.
  
  
  
  Testing:
  
  After making the necessary changes, test the configuration by attempting to execute the process that triggered the error again. Ensure that the error no longer appears.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or consulting with an SAP expert who can provide assistance based on your specific system configuration.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (Customizing), CJ20N (Project Builder), and others that may be useful for checking project configurations.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that can resolve the issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the WAB184 error and implement a solution to resolve it.