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How To Fix DT217 - &-&: Too long for activation of 'not null' flag (>&)


DT217 - Overview

  • Message type: E = Error

  • Message class: DT - Table activation (incl. indexes)

  • Message number: 217

  • Message text: &-&: Too long for activation of 'not null' flag (>&)

  • Show details Hide details
  • What causes this issue?

    The NOT-NULL flag is set for a table field that is too long. It is thus
    not possible to activate the table.

    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?

    Reset the NOT-NULL flag or shorten the field length. Afterwards, try
    again to activate the table.
    Fields of data types VARC, LCHR, and LRAW must not be defined as NOT
    NULL if the field length is greater than 255.
    Fields of data types NUMC must not be defined as NOT NULL if the field
    length is greater than or equal to 70.
    Fields of data type RAW cannot be defined as NOT NULL with default. They
    are created with NOT NULL, without default - if necessary, using table
    conversion.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message DT217 - &-&: Too long for activation of 'not null' flag (>&) ?
    The SAP error message DT217 typically indicates that there is an issue with the activation of a 'not null' constraint on a database table or field. This error occurs when the length of the data being processed exceeds the allowed limit for the 'not null' flag, which can happen during the activation of a data dictionary object (like a table or view) in the ABAP Dictionary.
    
    Cause: Data Length Exceeded: The data being inserted or updated in the database table exceeds the defined length for the field that has the 'not null' constraint. Inconsistent Data: There may be existing data in the table that violates the 'not null' constraint, preventing the activation of the new definition. Incorrect Field Definition: The field might be defined with a length that is too short to accommodate the data being processed.
    Solution: Check Field Definitions: Review the field definitions in the data dictionary (SE11) to ensure that the lengths are

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