How To Fix D3816 - KEYCARD can only be followed by NUMCOLS or INDEX

SAP Error Message - Details

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 816

• Message text: KEYCARD can only be followed by NUMCOLS or INDEX

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D3816 - KEYCARD can only be followed by NUMCOLS or INDEX ?

  The SAP error message D3816, which states "KEYCARD can only be followed by NUMCOLS or INDEX," typically occurs in the context of defining a database table or a data dictionary object in the ABAP Dictionary (SE11). This error indicates that there is a syntax issue in the definition of a key field, specifically related to the use of the KEYCARD keyword.
  Cause:
  The error arises when the KEYCARD keyword is used incorrectly in the context of defining a table's key fields. The KEYCARD keyword is intended to specify the cardinality of a key field, but it must be followed by either NUMCOLS (to specify the number of columns in the key) or INDEX (to indicate that the key is an index). If it is followed by any other keyword or is used in an incorrect context, this error will be triggered.
  Solution:
  To resolve this error, you should:
  
  
  Check the Syntax: Review the definition of the key fields in your table or data dictionary object. Ensure that the KEYCARD keyword is correctly followed by either NUMCOLS or INDEX.
  
  Example of correct usage:
  KEYCARD NUMCOLS 2
  or
  KEYCARD INDEX
  
  
  
  
  Correct the Definition: If you find that KEYCARD is not followed by the correct keyword, modify the definition accordingly.
  
  
  Review Documentation: If you are unsure about the correct syntax or usage, refer to the SAP documentation or the ABAP Dictionary documentation for guidance on defining key fields and using the KEYCARD keyword.
  
  
  Test Changes: After making the necessary corrections, activate the table or data dictionary object again and check if the error persists.
  
  
  Related Information:
  
  ABAP Dictionary (SE11): This is the transaction code used to access the ABAP Dictionary, where you can define and manage database tables, views, data elements, domains, and more.
  SAP Notes and Documentation: You can search for specific SAP Notes related to this error message in the SAP Support Portal for additional insights or updates.
  Community Forums: Consider checking SAP Community forums or other developer forums for similar issues and solutions shared by other SAP professionals.
  
  By following these steps, you should be able to resolve the D3816 error and successfully define your database table or data dictionary object.