How To Fix DDLS164 - Names in selection list are not unique: &-& appears more than once

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 164

• Message text: Names in selection list are not unique: &-& appears more than once

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS164 - Names in selection list are not unique: &-& appears more than once ?

  The SAP error message DDLS164 indicates that there are duplicate names in a selection list, which means that the same name appears more than once in the context of a selection screen or a list of options. This can occur in various scenarios, such as when defining a selection screen for a report or when working with data dictionary objects.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there are duplicate entries in the selection list. This can happen if the same field or value is included multiple times in the selection criteria.
  Incorrect Data Dictionary Definitions: If the data dictionary objects (like tables or views) are defined incorrectly, it may lead to duplicate names being generated.
  Program Logic: The logic in the ABAP program may inadvertently create duplicates when populating selection options.
  
  
  Solution:
  
  
  Check Selection Screen Definition: Review the selection screen definition in your ABAP program. Ensure that each field or