How To Fix DT473 - Key exceeds the allowed width & bytes for ABAP runtime (&).

DT473 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 473

• Message text: Key exceeds the allowed width & bytes for ABAP runtime (&).

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT473 - Key exceeds the allowed width & bytes for ABAP runtime (&). ?

  The SAP error message DT473 indicates that a key exceeds the allowed width and bytes for the ABAP runtime. This typically occurs when you are trying to define a key for a database table or an internal table that exceeds the maximum allowed length for keys in ABAP.
  
  Cause:
  
  Key Length Exceeded: The key you are trying to define for a table or structure exceeds the maximum length allowed by the ABAP runtime. In ABAP, the maximum length for a key field is generally 255 bytes.
  Data Type Issues: Using data types that are not compatible with the key definition can also lead to this error.
  Concatenated Keys: If you are using multiple fields as a composite key, the total length of all key fields combined may exceed the limit.
  
  
  Solution:
  
  Review Key Definition: Check the definition of the key fields in your database table or internal table. Ensure that the total length of the key