How To Fix DA545 - Table & has key width feature not supported by DB &

SAP Error Message - Details

• Message type: E = Error

• Message class: DA - Dictionary: Compare, distribution, timer, instantiation

• Message number: 545

• Message text: Table & has key width feature not supported by DB &

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 DA545 - Table & has key width feature not supported by DB & ?

  The SAP error message DA545 indicates that there is an issue with the key width feature of a database table. This error typically arises when the key length of a table exceeds the maximum limit supported by the underlying database system. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Key Width Exceeds Database Limit: The primary cause of this error is that the key width (the total length of the key fields) of the specified table exceeds the maximum key length that the database can handle. Different databases have different limits on the size of keys.
  Database Compatibility: The error may also occur if the database being used does not support certain features or configurations that are present in the SAP table definition.
  
  Solution:
  
  Review Table Definition: Check the definition of the table in the Data Dictionary (SE11) to see the key fields and their lengths. Ensure that the total length of the key fields does not exceed the limits of your database.
  Modify Key Fields: If the key width is too large, consider modifying the key fields:
  
  Reduce the size of the key fields if possible.
  Remove unnecessary fields from the key.
  Use alternative fields that can serve as keys without exceeding the limit.
  
  
  Database Configuration: Ensure that the database is configured correctly and is compatible with the SAP version you are using. If you are using a non-standard database, check its documentation for key length limitations.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  Database Migration: If the database you are using has inherent limitations that cannot be resolved, consider migrating to a different database that supports larger key widths.
  
  Related Information:
  
  Database Documentation: Refer to the documentation of the specific database you are using (e.g., Oracle, SQL Server, HANA) for details on 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 implemented.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you have a support contract.
  
  By addressing the key width issue and ensuring compatibility with your database, you should be able to resolve the DA545 error.