How To Fix SDDL_PARSER_MSG272 - No more than one data source with hierarchy type allowed in FROM clauses

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 272

• Message text: No more than one data source with hierarchy type allowed in FROM clauses

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG272 - No more than one data source with hierarchy type allowed in FROM clauses ?

  The SAP error message SDDL_PARSER_MSG272 indicates that there is an issue with the way data sources are being used in a query, specifically in the context of a hierarchy. This error typically arises when you attempt to include more than one data source that has a hierarchy type in the FROM clause of a query.
  Cause:
  The error occurs because SAP restricts the use of multiple hierarchy data sources in a single query. Hierarchies are structured data representations, and having more than one in a single query can lead to ambiguity and complexity in data retrieval.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Query: Check the FROM clause of your query to identify if you are including more than one hierarchy data source. 
  
  
  Limit to One Hierarchy: Modify your query to ensure that only one hierarchy data source is included in the FROM clause. If you need data from multiple sources, consider restructuring your query or using joins appropriately.
  
  
  Use Subqueries: If you need to work with multiple hierarchies, consider using subqueries or Common Table Expressions (CTEs) to separate the logic and then combine the results as needed.
  
  
  Check Data Source Types: Ensure that the data sources you are using are appropriate for the query context. If you are using a hierarchy data source, make sure it is the only one in the query.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on working with hierarchies in queries.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or updates regarding this error.
  Query Performance: Be mindful of performance implications when restructuring queries, especially if you are working with large datasets.
  Testing: After making changes, test the query thoroughly to ensure it returns the expected results without errors.
  
  By following these steps, you should be able to resolve the SDDL_PARSER_MSG272 error and successfully execute your query.