Message type: E = Error
Message class: SWDP_CCP_WD - Messages for Objects from Package SWDP_CCP_WD_API
Message number: 021
Message text: Entry '&1' already exists; it cannot be added
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SWDP_CCP_WD021
- Entry '&1' already exists; it cannot be added ?The SAP error message SWDP_CCP_WD021, which states "Entry '&1' already exists; it cannot be added," typically occurs in the context of Web Dynpro applications when there is an attempt to add an entry to a collection or a data structure that already contains an entry with the same key or identifier.
Cause: Duplicate Entry: The most common cause of this error is that the application is trying to add a duplicate entry to a collection (like an internal table or a context node) that does not allow duplicates. Incorrect Logic: There may be a logical error in the code where the application does not check if the entry already exists before attempting to add it. Data Consistency Issues: The data being processed may not be consistent, leading to attempts to add entries that are already present.
Solution: Check for Duplicates: Before adding an entry to the collection, implement a check to see if the entry already
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