How To Fix CR151 - System error: Entry in table & already exists

CR151 - Overview

• Message type: E = Error

• Message class: CR - (1,099) Work Center; (100,200) Capacity

• Message number: 151

• Message text: System error: Entry in table & already exists

INCLUDE NA_SYSAD2

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message CR151 - System error: Entry in table & already exists ?

  The SAP error message CR151, which states "System error: Entry in table & already exists," typically occurs when there is an attempt to create or insert a record in a database table where a record with the same key already exists. This can happen in various contexts, such as during the creation of master data, configuration settings, or transactional data.
  Causes:
  
  Duplicate Entries: The most common cause is that the system is trying to create a new entry that has the same key (primary key or unique constraint) as an existing entry in the specified table.
  Data Migration Issues: During data migration or upload processes, if the data being uploaded contains duplicates, this error can occur.
  Concurrency Issues: If multiple users or processes are trying to create the same entry simultaneously, it can lead to this error.
  Incorrect Configuration: Sometimes, incorrect configuration settings or custom developments can lead to attempts to create duplicate entries.
  
  Solutions:
  
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