How To Fix DA542 - View &: a base object has key field length not supported by DB &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 542

• Message text: View &: a base object has key field length 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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message DA542 - View &: a base object has key field length not supported by DB & ?

  The SAP error message DA542 indicates that there is an issue with the key field length of a base object in the database. This typically occurs when the key field length defined in the SAP data dictionary (ABAP Dictionary) does not match the constraints or limitations of the underlying database.
  Cause:
  
  Key Field Length Mismatch: The key field length defined in the SAP data dictionary exceeds the maximum length allowed by the database.
  Database Configuration: The database may have specific limitations on the length of key fields that are not aligned with the SAP definitions.
  Data Type Issues: The data type of the key field may not be compatible with the database's requirements.
  
  Solution:
  
  Check Data Dictionary: Review the data dictionary (SE11) for the table/view that is causing the error. Look at the key fields and their lengths.
  Adjust Key Field Length: If the key field length exceeds the database's maximum allowed length, consider adjusting it to fit within the limits. This may involve changing the data type or reducing the length of the key field.
  Database Configuration: If you have access to the database configuration, check the settings for key field lengths and ensure they are compatible with the SAP definitions.
  Consult Documentation: Refer to the SAP documentation for your specific database to understand the limitations regarding key field lengths.
  Transport Requests: If changes are made, ensure that they are included in the appropriate transport requests for deployment to other environments (e.g., QA, Production).
  Testing: After making changes, thoroughly test the affected functionality to ensure that the issue is resolved and that no new issues have been introduced.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE14 (Database Utility), and SE37 (Function Builder) to investigate and make changes.
  Database-Specific Limitations: Different databases (e.g., Oracle, SQL Server, HANA) have different limitations regarding key field lengths. Make sure to consult the specific documentation for the database you are using.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions for specific scenarios.
  
  If the problem persists after following these steps, consider reaching out to SAP support or your database administrator for further assistance.