How To Fix AD639 - Table of type ATAB only allowed with data section < &

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 639

• Message text: Table of type ATAB only allowed with data section < &

What causes this issue?

The maximum allowed value for the sum of all non-key fields in the
table has been exceeded.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Either remove fields from the data section or shorten the length of the
fields in the data section.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD639 - Table of type ATAB only allowed with data section < & ?

  The SAP error message AD639 indicates that there is an issue with the use of a table of type ATAB in your ABAP program. Specifically, this error occurs when a table of type ATAB is used without a proper data section, which is required for the table to function correctly.
  Cause:
  The error message AD639 is triggered when:
  
  You are trying to declare or use a table of type ATAB (which is a type of internal table) without specifying a data section that is compatible with it.
  The internal table is not defined correctly, or the data section is missing or incorrectly specified.
  
  Solution:
  To resolve this error, you should ensure that:
  
  
  Correct Declaration: Make sure that the internal table is declared correctly with the appropriate data section. For example:
  DATA: lt_table TYPE TABLE OF your_structure.
  Ensure that your_structure is defined and corresponds to the data you want to store in the internal table.
  
  
  Data Section: If you are using a table of type ATAB, ensure that you have a proper data section defined. This typically involves defining the structure of the table and ensuring that it is compatible with the data you are trying to store.
  
  
  Check for Syntax Errors: Review your ABAP code for any syntax errors or misconfigurations that could lead to this issue.
  
  
  Use of ATAB: If you are using ATAB for specific purposes, ensure that you are following the guidelines for its use. ATAB is typically used for dynamic internal tables, and you may need to use the appropriate methods to manipulate it.
  
  
  Related Information:
  
  Documentation: Refer to the SAP ABAP documentation for more details on internal tables and their types. Understanding the differences between standard tables, sorted tables, and hashed tables can help you choose the right type for your needs.
  SAP Community: You can also check the SAP Community forums for discussions related to this error message. Other developers may have encountered similar issues and can provide insights or solutions.
  Debugging: Use the ABAP debugger to step through your code and identify where the error is occurring. This can help you pinpoint the exact line of code that is causing the issue.
  
  By following these steps, you should be able to resolve the AD639 error and ensure that your internal tables are defined and used correctly in your ABAP programs.