How To Fix ADT_TTYP020 - Unique Sorted

SAP Error Message - Details

• Message type: E = Error

• Message class: ADT_TTYP - ADT Table Type Editor

• Message number: 020

• Message text: Unique Sorted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ADT_TTYP020 - Unique Sorted ?

  The SAP error message ADT_TTYP020 with the description "Unique Sorted" typically occurs in the context of ABAP development, particularly when dealing with internal tables. This error indicates that there is an issue with the definition or usage of an internal table that is expected to be unique and sorted, but the data being processed does not meet these criteria.
  
  Cause:
  
  Data Duplication: The internal table is defined as a unique sorted table, but the data being inserted contains duplicates.
  Incorrect Table Definition: The internal table may not be defined correctly in terms of its key fields, leading to conflicts when trying to maintain uniqueness.
  Sorting Issues: The data may not be sorted correctly according to the defined key fields, which is a requirement for unique sorted tables.
  
  
  Solution:
  
  
  Check Data for Duplicates: Before inserting data into the internal table, ensure that there are no duplicate entries. You can use the DELETE ADJACENT DUPLICATES statement to remove