How To Fix RSDMD204 - Check for duplicated entries in P table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDMD - Messages for master data

• Message number: 204

• Message text: Check for duplicated entries in P table &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDMD204 - Check for duplicated entries in P table &1 ?

  The SAP error message RSDMD204 indicates that there are duplicated entries in the P table (the master data table) for a specific InfoObject in the SAP BW (Business Warehouse) system. This error typically arises during data loading or when trying to activate an InfoObject.
  Cause:
  The primary cause of this error is the presence of duplicate entries in the master data table for the specified InfoObject. This can happen due to various reasons, such as:
  
  Data Load Issues: During the data loading process, if the same record is loaded multiple times without proper handling of duplicates, it can lead to this error.
  Incorrect Data Source: If the data source feeding into the InfoObject contains duplicates, this will propagate into the master data table.
  Manual Data Entry: If users manually enter data into the master data table, they might inadvertently create duplicates.
  Data Transformation Errors: Issues in the transformation process can lead to duplicates being created.
  
  Solution:
  To resolve the RSDMD204 error, you can follow these steps:
  
  
  Identify Duplicates:
  
  Use transaction codes like SE16 or SE11 to access the relevant master data table (e.g., RSD1 for InfoObjects).
  Execute a query to find duplicate entries based on the key fields of the InfoObject.
  
  
  
  Remove Duplicates:
  
  Once identified, you can either delete the duplicate entries manually or use a data cleansing process to ensure that only unique records remain.
  If duplicates are found in the source data, correct the source data to prevent future duplicates.
  
  
  
  Check Data Load Process:
  
  Review the data load process to ensure that it includes checks for duplicates before loading data into the master data table.
  Implement transformations that aggregate or filter out duplicates as necessary.
  
  
  
  Re-activate the InfoObject:
  
  After resolving the duplicates, you may need to reactivate the InfoObject in the Data Warehousing Workbench (transaction RSA1).
  
  
  
  Monitor Data Loads:
  
  Set up monitoring for data loads to catch duplicates early in the process.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  SE16: Data Browser
  SE11: Data Dictionary
  
  
  InfoObject Maintenance: You can maintain InfoObjects using transaction RSD1.
  Data Quality Tools: Consider using SAP Data Services or other data quality tools to manage and cleanse data effectively.
  
  By following these steps, you should be able to resolve the RSDMD204 error and prevent it from occurring in the future.