How To Fix UD338 - No previous generalization exists

SAP Error Message - Details

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 338

• Message text: No previous generalization exists

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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 UD338 - No previous generalization exists ?

  The SAP error message UD338 "No previous generalization exists" typically occurs in the context of the SAP system when dealing with data generalization in the context of data warehousing or data modeling. This error indicates that the system is unable to find a previous generalization for the data being processed, which is necessary for the operation to proceed.
  Cause:
  
  Missing Generalization: The most common cause of this error is that the system is trying to perform a generalization operation on a data set that does not have a defined previous generalization. This can happen if the data model is not properly set up or if the necessary relationships between data elements are not established.
  Data Model Configuration: There may be issues with the configuration of the data model, such as missing or incorrect settings in the InfoObjects or InfoProviders.
  Data Loading Issues: If data has not been loaded correctly into the system, it may lead to inconsistencies that trigger this error.
  
  Solution:
  
  Check Data Model: Review the data model configuration to ensure that all necessary generalizations are defined. Make sure that the InfoObjects and InfoProviders are correctly set up and that the relationships between them are properly established.
  Review Generalization Settings: Ensure that the generalization settings for the relevant InfoObjects are correctly configured. You may need to define the previous generalization explicitly if it is missing.
  Data Consistency: Verify that the data being processed is consistent and complete. If there are missing records or incomplete data, it may lead to this error.
  Reprocess Data: If the error occurred during a data load or processing step, consider reprocessing the data to ensure that all necessary generalizations are created.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling generalization errors in your version of SAP.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., RSA1 for Data Warehousing Workbench) that can help you navigate the data model and generalization settings.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or support team for further assistance.