How To Fix 0H459 - Key too long

SAP Error Message - Details

• Message type: E = Error

• Message class: 0H - Hierarchy module

• Message number: 459

• Message text: Key too long

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 0H459 - Key too long ?

  The SAP error message "0H459 Key too long" typically occurs when a key or identifier being used in a transaction or operation exceeds the maximum length allowed by the system. This can happen in various contexts, such as when dealing with database keys, file names, or other identifiers that have specific length restrictions.
  Cause:
  
  Key Length Exceeded: The primary cause of this error is that the key being used exceeds the defined length limit in the SAP system. Each key in SAP has a maximum length, and if the data being processed exceeds this length, the error will be triggered.
  Data Input Issues: Sometimes, user input or data import processes may inadvertently create keys that are longer than expected.
  Configuration Issues: In some cases, custom developments or configurations may lead to the generation of longer keys than the system can handle.
  
  Solution:
  
  Check Key Length: Review the documentation or configuration settings for the specific transaction or object you are working with to determine the maximum allowed key length. Ensure that the keys being used do not exceed this limit.
  Modify Input Data: If the error is due to user input, ensure that the data being entered adheres to the length restrictions. This may involve truncating or modifying the input data.
  Adjust Custom Code: If the error arises from custom ABAP code or enhancements, review the code to ensure that it generates keys within the allowed length. You may need to refactor the code to handle key generation appropriately.
  Database Table Structure: If the error is related to database operations, check the structure of the relevant database tables to ensure that the key fields are defined with appropriate lengths.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on best practices for key management.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific module or transaction you are working with to understand key length limitations.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new issues have been introduced.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.