SAP Message UCD1039 - Posting not possible to &1 in period &2, fiscal year &3

Diagnosis
V1 is a protected characteristic value for which no data may beentered, except in the initial data entry period and year (&V4&).
This check is suppressed only in the following exceptions:

  • When posting to posting levels 02, 12, 22, and 30

  • Totals data created by a balance carryforward or currency translation

  • When processing a flexibleupload, the following data records are checked:
    • The data records contained in the upload file

    • If the input type is 'cumulative', the prior period data that needs to
    • be inverted in the current period

      System Response
      The data record cannot be processed.

      Procedure
      Perform one of the following changes:

      • Use a characteristic value that is not protected.

      • Change the period/year of initial data entry.

      • If this is a flexible upload, you might want to change the settings of
      • the upload method.