How To Fix SDDIC_ADT_DDLX028 - Length missing for annotation '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDIC_ADT_DDLX - Messages for CDS Metadata Extension

• Message number: 028

• Message text: Length missing for annotation '&1'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDIC_ADT_DDLX028 - Length missing for annotation '&1' ?

  The SAP error message SDDIC_ADT_DDLX028 typically indicates that there is a missing length specification for an annotation in your ABAP Development Tools (ADT) environment. This error often arises when you are working with data definitions, particularly when defining structures or tables in ABAP.
  Cause:
  The error occurs when an annotation is defined without specifying a required length. In ABAP, certain data types, especially those related to strings or character fields, require a length to be defined. If this length is omitted, the system cannot interpret the data type correctly, leading to this error message.
  Solution:
  To resolve this error, you should:
  
  
  Check the Annotation: Review the code where the annotation is defined. Look for any annotations that are related to data types, especially those that should have a length specified.
  
  
  Specify the Length: If you find an annotation that is missing a length, add the appropriate length specification. For example, if you are defining a string type, ensure that you specify the maximum length.
  Example:
  @AbapCatalog.sqlViewName: 'ZMY_VIEW'
  @EndUserText.label: 'My View'
  define view ZMyView as select from my_table
  {
      key my_field,
      @AbapCatalog.dataElement: 'MY_STRING'
      @Length: 50  // Specify the length here
      my_string_field
  }
  
  
  Validate the Code: After making the necessary changes, validate your code to ensure that there are no further issues.
  
  
  Check Documentation: If you are unsure about the required length for a specific annotation, refer to the SAP documentation or the ABAP Development Guide for guidance on the specific data type and its requirements.
  
  
  Related Information:
  
  ABAP Data Types: Familiarize yourself with the different ABAP data types and their requirements, especially regarding length specifications.
  SAP Notes: Check for any relevant SAP Notes that might address this error or provide additional context.
  Development Tools: Ensure that you are using the latest version of the ABAP Development Tools, as updates may include fixes or improvements related to error handling.
  
  By following these steps, you should be able to resolve the SDDIC_ADT_DDLX028 error and successfully define your annotations in ABAP.