How To Fix 88655 - Specify length of declaration key

SAP Error Message - Details

• Message type: E = Error

• Message class: 88 - REA Processing

• Message number: 655

• Message text: Specify length of declaration key

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 88655 - Specify length of declaration key ?

  The SAP error message 88655, "Specify length of declaration key," typically occurs in the context of ABAP programming or when defining data structures in SAP. This error indicates that a declaration key, which is used to define the length of a data element or structure, has not been specified correctly.
  Cause:
  
  Missing Length Specification: The error usually arises when a developer attempts to declare a data element or structure without specifying the required length for the declaration key.
  Incorrect Syntax: There may be a syntax error in the code where the declaration key is being defined.
  Inconsistent Data Types: If the data type being used does not have a defined length, this error can occur.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Declaration: Review the code where the declaration key is being defined. Ensure that you have specified the length correctly. For example, if you are declaring a character field, you should specify the length like this:
  DATA: lv_example TYPE c LENGTH 10.
  
  
  Correct Syntax: Ensure that the syntax used for declaring the data element or structure is correct. Refer to the ABAP documentation for the correct syntax if needed.
  
  
  Use Appropriate Data Types: Make sure that the data types you are using are appropriate and have defined lengths. For example, if you are using a numeric type, ensure that it is defined correctly.
  
  
  Check for Inherited Structures: If you are working with structures that inherit from other structures, ensure that the parent structure has the correct length defined.
  
  
  Debugging: If the error persists, use the ABAP debugger to step through the code and identify where the declaration is failing.
  
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP ABAP documentation for guidelines on data declarations and types.
  SAP Community: You can search for similar issues on the SAP Community forums, where other developers may have encountered and resolved the same error.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  
  By following these steps, you should be able to identify and correct the issue causing the error message 88655 in your SAP environment.