How To Fix RODPS302 - Node &1 not supported by iterator

SAP Error Message - Details

• Message type: E = Error

• Message class: RODPS - Operation Data Provider

• Message number: 302

• Message text: Node &1 not supported by iterator

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RODPS302 - Node &1 not supported by iterator ?

  The SAP error message RODPS302, which states "Node &1 not supported by iterator," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when working with data models, especially when using the Data Provisioning Framework or when querying data.
  Cause:
  The error usually indicates that the data model or the query is trying to access a node (or a data structure) that is not supported by the iterator being used. This can happen due to several reasons:
  
  
  Unsupported Node Type: The node being referenced may not be compatible with the iterator. For example, if the iterator is designed to work with a specific type of data structure, and the node is of a different type, this error can occur.
  
  
  Incorrect Data Model Configuration: There may be a misconfiguration in the data model or the way the data is being accessed. This could involve incorrect settings in the InfoProvider or the query definition.
  
  
  Version Compatibility: If there are version mismatches between different components of SAP BW or HANA, certain features or nodes may not be supported.
  
  
  Data Source Issues: The data source being queried may not be properly set up or may not contain the expected structure.
  
  
  Solution:
  To resolve the RODPS302 error, you can take the following steps:
  
  
  Check Node Compatibility: Verify that the node referenced in the error message is compatible with the iterator being used. Consult the documentation for the specific iterator to understand which node types are supported.
  
  
  Review Data Model Configuration: Ensure that the data model is correctly configured. Check the InfoProvider settings, query definitions, and any transformations that may be involved.
  
  
  Update or Patch: If you suspect a version compatibility issue, check for any available updates or patches for your SAP BW or HANA system. Applying the latest updates can resolve compatibility issues.
  
  
  Test with Different Queries: Try running different queries or accessing different nodes to see if the issue is isolated to a specific query or node. This can help identify if the problem is with the data model or the specific query.
  
  
  Consult SAP Notes: Look for relevant SAP Notes or Knowledge Base Articles (KBAs) that may address this specific error. SAP frequently publishes notes that provide solutions or workarounds for known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  Related Information:
  
  SAP BW Documentation: Review the official SAP BW documentation for information on data models, iterators, and query design.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Debugging Tools: Utilize SAP debugging tools to trace the execution of the query and identify where the error is occurring.
  
  By following these steps, you should be able to diagnose and resolve the RODPS302 error effectively.