How To Fix 6D281 - Do not use 0 as internal key (see long text!)

6D281 - Overview

• Message type: E = Error

• Message class: 6D - Real Estate Messages

• Message number: 281

• Message text: Do not use 0 as internal key (see long text!)

What causes this issue?

You cannot save internal key 0 in the rental unit dialog as 0 is the
initial value of the field.

System Response

Use another internal key to enter Customizing data for a floor that you
want to maintain in the rental unit dialog.

How to fix this error?

You should keep a dummy entry for 0 so that rental units where no floor
data has been entered are still displayed with the 'General rental
units" matchcode search.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 6D281 - Do not use 0 as internal key (see long text!) ?

  The SAP error message 6D281 ("Do not use 0 as internal key (see long text!)") typically occurs when there is an attempt to use an internal key value of 0 in a context where it is not valid. This error is often related to the use of internal keys in various SAP modules, such as when dealing with document numbers, transaction codes, or other identifiers that require a unique key.
  
  Cause:
  
  Invalid Key Usage: The most common cause of this error is that the system is trying to process a record or transaction that has an internal key set to 0. In many cases, 0 is not a valid identifier for records in SAP, as it may indicate that no valid record exists.
  Data Entry Error: It could also be due to incorrect data entry or a missing value in a field that is supposed to contain a unique identifier.
  
  Configuration Issues: Sometimes, this