How To Fix WXP417 - More than one entry exists with the same key

SAP Error Message - Details

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 417

• Message text: More than one entry exists with the same key

What causes this issue?

Mor entries exist with the same key.

System Response

INCLUDE ISR_VERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

Maintain entries with clearly identifiable keys.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WXP417 - More than one entry exists with the same key ?

  Certainly! Here's a detailed explanation regarding the SAP error message WXP417: More than one entry exists with the same key:
  
  Error Message:
  WXP417 - More than one entry exists with the same key
  
  Cause:
  This error occurs in SAP Web Dynpro applications when the underlying data structure or internal table contains duplicate entries with the same key fields. In SAP, keys are used to uniquely identify entries in internal tables or data collections. If multiple entries share the same key, operations that expect unique keys (like lookups, updates, or bindings) fail, triggering this error.
  Common scenarios causing this error include:
  
  Duplicate entries in internal tables: When an internal table is defined with a unique key, but the program inserts multiple entries with identical key values.
  Context node key duplication: In Web Dynpro, context nodes are often defined with key attributes. If the context node contains multiple entries with the same key, this error arises.
  Data binding issues: When UI elements are bound to context nodes or tables that have duplicate keys.
  Incorrect data retrieval or processing logic: For example, fetching data from the database without proper filtering or grouping, leading to duplicate keys in the context.
  
  
  Solution:
  To resolve the WXP417 error, you need to ensure that the data structures or context nodes do not contain duplicate keys. Here are the steps and approaches:
  
  
  Check the Context Node Definition:
  
  Verify the key fields defined for the context node.
  Ensure that the combination of key fields uniquely identifies each entry.
  
  
  
  Analyze Data Population Logic:
  
  Review the code where data is fetched and inserted into the context node or internal table.
  Use debugging or logging to identify duplicate key entries.
  If duplicates are found, adjust the selection criteria or add logic to filter out duplicates.
  
  
  
  Remove or Prevent Duplicate Entries:
  
  Use internal table operations like DELETE ADJACENT DUPLICATES or SORT before inserting data.
  Use READ TABLE with the BINARY SEARCH addition to check for existing keys before inserting.
  Use COLLECT statement if applicable, which automatically sums up entries with the same key.
  
  
  
  Adjust Key Definition if Appropriate:
  
  If the current key fields are insufficient to uniquely identify entries, consider adding more fields to the key definition in the context node.
  
  
  
  Check Data Binding:
  
  Ensure that UI elements bound to context nodes are not causing duplicate entries due to improper binding or event handling.
  
  
  
  Database Query Adjustments:
  
  Modify the SELECT statement to avoid duplicates, e.g., by using DISTINCT or proper WHERE clauses.
  
  
  
  
  Related Information:
  
  
  SAP Notes and Documentation:
  
  Check SAP OSS Notes for any known issues related to WXP417.
  SAP Help Portal on Web Dynpro context nodes and key definitions.
  
  
  
  Debugging Tips:
  
  Use the Web Dynpro debugger to inspect the context node data at runtime.
  Check the internal tables in ABAP code where data is prepared for the context.
  
  
  
  Common ABAP Statements:
  
  SORT itab BY key_fields.
  DELETE ADJACENT DUPLICATES FROM itab COMPARING key_fields.
  READ TABLE itab WITH KEY key_fields TRANSPORTING NO FIELDS.
  
  
  
  Example Scenario:
  Suppose a context node is keyed by CustomerID. If the data retrieval logic fetches multiple entries for the same CustomerID (e.g., multiple orders per customer), the context node will have duplicate keys, causing WXP417. The solution would be to either:
  
  Change the key to include OrderID as well, or
  Aggregate/filter the data to ensure unique CustomerID entries.
  
  
  
  
  Summary:
  
  
  
  Aspect
  Description
  
  
  
  
  Cause
  Duplicate entries with the same key exist in a context node or internal table.
  
  
  Effect
  Operations expecting unique keys fail, triggering WXP417 error in Web Dynpro applications.
  
  
  Solution
  Ensure uniqueness by adjusting data retrieval, filtering duplicates, or modifying key fields.
  
  
  
  
  If you provide the specific context or code snippet where this error occurs, I can help you with a more tailored solution.