How To Fix WER442 - Generic type &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 442

• Message text: Generic type &1 does not exist

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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• What is the cause and solution for SAP error message WER442 - Generic type &1 does not exist ?

  SAP Error Message:
  
  WER442 - Generic type &1 does not exist
  
  Cause:
  The error message WER442 occurs when the system tries to reference a generic type (a classification or category of objects, materials, or documents) that is not defined or does not exist in the system. The placeholder &1 in the message is replaced by the actual generic type code that the system could not find.
  This typically happens in scenarios such as:
  
  Using a generic type in a transaction or program that has not been created or maintained in the system.
  Incorrect or mistyped generic type code.
  Missing configuration or master data related to generic types.
  Custom developments or interfaces passing invalid generic type values.
  
  
  Solution:
  
  
  Check the Generic Type Code:
  
  Verify the generic type code used in the transaction or program.
  Ensure it is correctly entered and exists in the system.
  
  
  
  Maintain Generic Types:
  
  Use the relevant SAP customizing transaction to create or maintain generic types.
  For example, in Logistics Execution or Warehouse Management, generic types might be maintained in IMG under relevant nodes.
  Common transaction codes or IMG paths depend on the module, e.g.:
  
  SPRO ? Logistics Execution ? Shipping ? Basic Shipping Functions ? Define Generic Types
  Or check in the customizing for the specific module where the error occurs.
  
  
  
  
  
  Check Master Data and Configuration:
  
  Ensure that the generic type is properly assigned to the relevant master data or configuration objects.
  If the error occurs during data upload or interface processing, verify the source data.
  
  
  
  Debugging / Logs:
  
  If the error occurs in a custom program or interface, debug to see where the generic type is fetched or validated.
  Check for hardcoded or passed generic type values.
  
  
  
  Consult SAP Notes:
  
  Search SAP Support Portal for notes related to WER442 or generic type issues in your specific module.
  
  
  
  
  Related Information:
  
  Generic Types in SAP are often used to group or classify objects for processing rules, reporting, or control.
  The exact meaning and maintenance of generic types depend on the SAP module (e.g., Warehouse Management, Shipping, Quality Management).
  The error message class WER is related to Warehouse Management or Logistics Execution messages.
  If you are unsure where to maintain generic types, check the IMG path for your module or consult module-specific documentation.
  Example IMG path for generic types in Warehouse Management:
  SPRO ? Logistics Execution ? Warehouse Management ? Master Data ? Define Generic Types
  
  
  
  Summary:
  
  Cause: The system cannot find the generic type code referenced.
  Solution: Verify and maintain the generic type in customizing; correct any input errors.
  Check: Master data, configuration, and custom code passing generic types.
  
  
  If you provide the module or transaction where this error occurs, I can give more precise instructions.