How To Fix DO857 - Standard key is empty (table type is row type)

DO857 - Overview

• Message type: E = Error

• Message class: DO - Dictionary: Mass activation of domains and data elements

• Message number: 857

• Message text: Standard key is empty (table type is row type)

What causes this issue?

If the row type of a table type is a table type, the default key is
empty. The default key may only be empty for standard tables.
You defined the default key as key although a table type is defined as
row type, but the access mode is not defined to be standard table.

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?

Define a valid key or another row type that is not a table type, or
define the access mode to be standard table.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DO857 - Standard key is empty (table type is row type) ?

  The SAP error message DO857, which states "Standard key is empty (table type is row type)," typically occurs in the context of ABAP programming, particularly when dealing with internal tables and their definitions. This error indicates that a standard key is expected for a table type that is defined as a row type, but it has not been provided.
  
  Cause:
  
  Table Type Definition: The internal table is defined as a row type, which means it should have a standard key (primary key) defined. If the key is not specified, the system raises this error.
  Data Declaration: When declaring an internal table, if the key fields are not defined properly, or if the table is declared without a key when it is expected to have one, this error can occur.
  Inconsistent Data Model: The data model may not be consistent with the expected structure, leading to the absence of a standard key.
  
  
  Solution:
  
  
  Define a Standard Key: