How To Fix D0102 - Field & does not have a preceding length field of type &


SAP Error Message - Details

  • Message type: E = Error

  • Message class: D0 - Machine-level ABAP/4 Dictionary texts (e.g. debugging)

  • Message number: 102

  • Message text: Field & does not have a preceding length field of type &

  • Show details Hide details
  • What causes this issue?

    A transparent table may contain only one field of data type LCHR or
    LRAW. This field must always be at the end of the table. A length field
    of a certain data type must always precede this field.

    System Response

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    How to fix this error?

    Insert a length field of the required type before the field of type
    LCHR or LRAW or change the type of the length field to the required data
    type. Further information about the length field and its type can be
    found in the ABAP/4 Dictionary manual.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message D0102 - Field & does not have a preceding length field of type & ?
    The SAP error message D0102, which states "Field & does not have a preceding length field of type &," typically occurs in the context of data structures, particularly when dealing with internal tables or structures in ABAP (Advanced Business Application Programming). This error indicates that a field in a structure or table is expected to have a preceding length field, but it does not.
    
    Cause: Incorrect Structure Definition: The structure or table definition may be missing a length field for a variable-length field. In ABAP, when defining a structure that includes variable-length fields (like strings), a preceding length field is required to specify the length of the variable-length field. Data Type Mismatch: The field types may not be compatible, or the structure may not be defined correctly according to the expected data types. Legacy Code: If you are working with legacy code or code generated by tools, it may not conform to the current

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