How To Fix IO302 - Parameter &1 has default value during operation &2

SAP Error Message - Details

• Message type: E = Error

• Message class: IO - Plant Maintenance: Object List

• Message number: 302

• Message text: Parameter &1 has default value during operation &2

What causes this issue?

The system does not conform to the parameter passing rules
according to T377X.

System Response

INCLUDE KEINE-FUNKTION OBJECT DOKU ID TX

How to fix this error?

Current procedure: Send an internal problem message with case
documentation to Michael Richarz, SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IO302 - Parameter &1 has default value during operation &2 ?

  The SAP error message IO302, which states "Parameter &1 has default value during operation &2," typically occurs in the context of SAP's Integrated Business Planning (IBP) or other modules where parameters are being processed. This message indicates that a specific parameter (denoted by &1) is being used with a default value during a particular operation (denoted by &2).
  Cause:
  
  Default Parameter Usage: The error usually arises when a required parameter is not explicitly set by the user or the system, leading to the use of a default value instead. This can happen if the configuration for a specific operation is incomplete or if the user has not provided necessary input.
  Configuration Issues: There may be issues in the configuration of the relevant application or module, where certain parameters are expected to be defined but are not.
  Data Inconsistencies: If the data being processed does not meet the expected criteria or if there are inconsistencies in the data model, the system may revert to default values.
  
  Solution:
  
  Check Parameter Settings: Review the settings for the operation indicated in the error message. Ensure that all required parameters are explicitly defined and not left to default values.
  Configuration Review: Go through the configuration settings in the relevant module (e.g., IBP, PP, etc.) to ensure that all necessary parameters are correctly set up.
  Data Validation: Validate the data being processed to ensure it meets the expected criteria. Look for any inconsistencies or missing information that could lead to the use of default values.
  Consult Documentation: Refer to SAP documentation or help resources for the specific module you are working with to understand the expected parameters for the operation in question.
  Debugging: If the issue persists, consider using debugging tools within SAP to trace the execution and identify where the default value is being applied.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  SAP Support: If the issue cannot be resolved through the above steps, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant context to expedite the troubleshooting process.
  
  By following these steps, you should be able to identify the cause of the IO302 error and implement a suitable solution.