How To Fix AD01_BIW_PI005 - Unknown field name '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: AD01_BIW_PI - Messages for PS-Rev interface to BIW

• Message number: 005

• Message text: Unknown field name '&1'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AD01_BIW_PI005 - Unknown field name '&1' ?

  The SAP error message AD01_BIW_PI005, which indicates "Unknown field name '&1'", typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when a query or data extraction process references a field that is not recognized by the system. This can happen for several reasons, including:
  Causes:
  
  Field Name Typo: The field name specified in the query or data extraction process may contain a typo or incorrect spelling.
  Field Not Available: The field may not exist in the data source (e.g., InfoProvider, DataSource) being queried.
  Field Deletion: The field may have been deleted or renamed in the underlying data model or InfoObject.
  Authorization Issues: The user may not have the necessary authorizations to access the field.
  DataSource Changes: If the DataSource has been changed or updated, it may not include the field anymore.
  Incorrect Query Design: The query may be incorrectly designed, referencing fields that are not part of the selected InfoProvider.
  
  Solutions:
  
  Check Field Name: Verify the spelling and case of the field name in the query or data extraction process.
  Validate DataSource/InfoProvider: Ensure that the field exists in the underlying DataSource or InfoProvider. You can do this by checking the structure of the DataSource or InfoProvider in the SAP BW modeling tools.
  Review Changes: If there have been recent changes to the data model, check if the field was renamed or deleted.
  Check Authorizations: Ensure that the user executing the query has the necessary authorizations to access the field.
  Update Query: If the field is no longer available, update the query to remove references to the missing field or replace it with an appropriate alternative.
  Rebuild Query: If the query is complex, consider rebuilding it from scratch to ensure that all fields are correctly referenced.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to check InfoProviders and DataSources.
  Query Designer: Use the Query Designer to validate the query and check the available fields in the InfoProvider.
  Authorization Objects: Check the relevant authorization objects to ensure the user has access to the required fields.
  SAP Notes: Look for SAP Notes related to this error message for any specific patches or updates that may address the issue.
  
  If the problem persists after checking these aspects, it may be helpful to consult with your SAP BW administrator or support team for further assistance.