How To Fix SDDL_PARSER_MSG171 - Client field must be specified manually to avoid duplicates

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 171

• Message text: Client field must be specified manually to avoid duplicates

What causes this issue?

In cases where the data source is client-specific and the annotations
@ClientHandling.type: #CLIENT_INDEPENDENT and @ClientHandling.algorithm:
#NONE are set, the CDS view is a cross-client view. The client field
must be produced regardless of this to avoid duplicates in the resulting
data records.

How to fix this error?

Add the client field to the select list.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG171 - Client field must be specified manually to avoid duplicates ?

  The SAP error message SDDL_PARSER_MSG171 indicates that there is an issue with the client field in your data processing or configuration. This error typically arises when the system detects that the client field is not specified, which can lead to potential duplicates in the data being processed.
  Cause:
  
  Missing Client Field: The client field, which is essential for distinguishing between different clients in a multi-client environment, is not being populated automatically.
  Data Duplication Risk: The system is designed to prevent data duplication, and without a specified client, it cannot ensure that the data being processed is unique to a particular client.
  Configuration Issues: There may be issues in the configuration of the data model or the way data is being imported or processed.
  
  Solution:
  
  
  Manually Specify the Client Field: 
  
  When you encounter this error, you need to manually specify the client field in your data input or configuration settings. This ensures that the system can correctly identify the client context for the data being processed.
  
  
  
  Check Data Input: 
  
  Review the data input method (e.g., file upload, data migration, etc.) to ensure that the client field is included and correctly populated.
  
  
  
  Review Configuration Settings: 
  
  Check the configuration settings in the relevant SAP module to ensure that the client field is set up correctly and that the system is configured to handle client-specific data.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or help resources related to the specific module you are working with for additional guidance on handling client fields.
  
  
  
  Testing: 
  
  After making the necessary adjustments, test the process again to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Multi-Client Environment: SAP systems often operate in a multi-client environment, where different clients can have their own data sets. The client field is crucial for maintaining data integrity and separation.
  Data Migration Tools: If you are using data migration tools (like LSMW or SAP Data Services), ensure that the client field is included in the mapping and transformation rules.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation.