How To Fix OO285 - Parameter &1 &2 &3: Invalid declaration type (PARDECLTYP)

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 285

• Message text: Parameter &1 &2 &3: Invalid declaration type (PARDECLTYP)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO285 - Parameter &1 &2 &3: Invalid declaration type (PARDECLTYP) ?

  The SAP error message OO285, which states "Parameter &1 &2 &3: Invalid declaration type (PARDECLTYP)," typically occurs in the context of ABAP programming or when dealing with function modules, methods, or other callable objects in SAP. This error indicates that there is an issue with the declaration type of a parameter in a function module or method.
  Cause:
  The error can be caused by several factors, including:
  
  
  Incorrect Parameter Declaration: The parameter type specified in the function module or method does not match the expected type. For example, if a parameter is declared as an input parameter but is being used as an output parameter, this can lead to the error.
  
  
  Data Type Mismatch: The data type of the parameter being passed does not match the expected data type defined in the function module or method signature.
  
  
  Missing or Incorrectly Defined Types: If a custom data type or structure is not defined correctly or is missing, it can lead to this error.
  
  
  Inconsistent Interface: If the interface of a method or function module has been changed but the calling program has not been updated accordingly, it can lead to this error.
  
  
  Solution:
  To resolve the OO285 error, you can take the following steps:
  
  
  Check Parameter Declarations: Review the parameter declarations in the function module or method. Ensure that the types and modes (input/output) are correctly defined.
  
  
  Verify Data Types: Ensure that the data types of the parameters being passed match the expected types in the function module or method. If necessary, convert the data types to match.
  
  
  Update Calling Programs: If the interface of the function module or method has changed, update any calling programs to ensure they are using the correct parameter types.
  
  
  Check for Custom Types: If you are using custom data types or structures, ensure they are defined correctly in the ABAP Dictionary and are accessible in the context where the function module or method is being called.
  
  
  Debugging: Use the ABAP debugger to step through the code and identify where the error is occurring. This can help pinpoint the exact parameter causing the issue.
  
  
  Consult Documentation: If you are using standard SAP function modules or methods, refer to the SAP documentation for the specific function to understand the expected parameter types.
  
  
  Related Information:
  
  ABAP Documentation: Review the official SAP ABAP documentation for guidelines on parameter declarations and data types.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional context.
  Community Forums: Engage with SAP community forums or discussion groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the cause of the OO285 error in your SAP environment.