How To Fix UPF164 - Variable &1 is not of the correct type

SAP Error Message - Details

• Message type: E = Error

• Message class: UPF - Planning Functions

• Message number: 164

• Message text: Variable &1 is not of the correct type

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UPF164 - Variable &1 is not of the correct type ?

  The SAP error message UPF164, which states "Variable &1 is not of the correct type," typically occurs in the context of SAP's User Profile Framework (UPF) or when working with variables in ABAP programs, particularly in the context of reporting or data selection.
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Type Mismatch: The variable being referenced (denoted as &1 in the error message) is expected to be of a certain data type (e.g., character, numeric, date) but is being used in a context where a different type is required.
  
  
  Incorrect Variable Declaration: The variable may not have been declared correctly in the ABAP program or report, leading to a type conflict.
  
  
  Data Source Issues: If the variable is derived from a data source (like a database table or a structure), there may be a mismatch between the expected type and the actual type defined in the data source.
  
  
  Contextual Misuse: The variable might be used in a context (like a selection screen or a calculation) that does not support its data type.
  
  
  Solution:
  To resolve the UPF164 error, you can take the following steps:
  
  
  Check Variable Declaration: Review the declaration of the variable in your ABAP code. Ensure that it is declared with the correct data type that matches its intended use.
  
  
  Review Data Types: If the variable is being used in a calculation or a selection, ensure that the data type of the variable matches the expected type for that operation. For example, if a numeric operation is being performed, ensure the variable is of a numeric type.
  
  
  Debugging: Use the ABAP debugger to trace the variable's value and type at runtime. This can help identify where the type mismatch is occurring.
  
  
  Check Data Source Definitions: If the variable is derived from a database table or structure, check the definitions in the Data Dictionary (SE11) to ensure that the types are consistent.
  
  
  Consult Documentation: If you are using standard SAP reports or programs, refer to the SAP documentation or notes related to the specific transaction or report to understand the expected variable types.
  
  
  Testing: After making changes, test the program or report to ensure that the error is resolved and that the functionality works as expected.
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE80 (Object Navigator) or SE11 (Data Dictionary) to inspect the relevant objects.
  SAP Notes: Check SAP Notes for any known issues or patches related to the UPF164 error.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the cause of the UPF164 error in your SAP environment.