How To Fix AD409 - & (length> & for & is only allowed in structures)

AD409 - Overview

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 409

• Message text: & (length> & for & is only allowed in structures)

What causes this issue?

A domain of data type CHAR may only be used in a database table if it
has a maximum of 255 places.

System Response

A warning is issued.

How to fix this error?

Correct the number of places specified if you want to use the domain in
a database table.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD409 - & (length> & for & is only allowed in structures) ?

  The SAP error message AD409, which states "length > & for & is only allowed in structures," typically occurs during the development of ABAP programs or when working with data dictionary objects. This error indicates that there is an issue with the length of a field in a structure or table definition.
  
  Cause:
  
  Field Length Exceeds Limit: The error usually arises when a field in a structure or table is defined with a length that exceeds the maximum allowed length for that type of field. For example, in certain contexts, a character field may have a maximum length of 255 characters.
  Incorrect Data Type: The data type of a field may not be appropriate for the intended use, leading to length issues.
  Inconsistent Definitions: If a field is defined in multiple places (e.g., in a structure and a table), and the lengths are inconsistent, this can trigger the error.
  
  
  Solution:
  
  Check Field Lengths: Review the definitions