How To Fix OO162 - Invalid decl. type. Use 'Importing', 'Exporting', 'Changing', 'Returning'

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 162

• Message text: Invalid decl. type. Use 'Importing', 'Exporting', 'Changing', 'Returning'

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message OO162 - Invalid decl. type. Use 'Importing', 'Exporting', 'Changing', 'Returning' ?

  The SAP error message OO162 "Invalid decl. type. Use 'Importing', 'Exporting', 'Changing', 'Returning'" typically occurs in the context of ABAP programming, particularly when defining parameters for a function module or method. This error indicates that the parameter type specified in the function interface is not valid or is incorrectly defined.
  Cause:
  
  
  Incorrect Parameter Type: The parameter type specified in the function module or method interface is not one of the valid types recognized by SAP. The valid types are:
  
  Importing: For parameters that are passed into the function.
  Exporting: For parameters that are passed out of the function.
  Changing: For parameters that can be both input and output (i.e., they can be modified within the function).
  Returning: For parameters that are used to return a value from the function (typically used in methods).
  
  
  
  Typographical Error: There may be a typo in the declaration of the parameter type.
  
  
  Incorrect Function Module/Method Definition: The function module or method may not be defined correctly, leading to this error.
  
  
  Solution:
  
  
  Check Parameter Declarations: Review the parameter declarations in the function module or method interface. Ensure that you are using the correct keywords (IMPORTING, EXPORTING, CHANGING, RETURNING) and that they are spelled correctly.
  
  
  Correct the Declaration: If you find any incorrect or misspelled parameter types, correct them to match the valid types.
  
  
  Review Function Module/Method Definition: Ensure that the function module or method is defined correctly according to the ABAP standards. If you are using a custom function module, verify that it adheres to the expected structure.
  
  
  Use the ABAP Editor: Utilize the ABAP Editor (transaction SE38 or SE80) to check for syntax errors and to validate the function module or method definition.
  
  
  Check Documentation: If you are unsure about the correct usage of parameter types, refer to the SAP documentation or ABAP programming guidelines for further clarification.
  
  
  Related Information:
  
  ABAP Documentation: SAP provides extensive documentation on ABAP programming, including guidelines for defining function modules and methods.
  SAP Community: The SAP Community forums can be a valuable resource for troubleshooting specific errors and finding solutions shared by other developers.
  Debugging: If the error persists, consider using the ABAP debugger to step through the code and identify where the error is being triggered.
  
  By following these steps, you should be able to resolve the OO162 error and ensure that your function module or method is correctly defined.