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

UPF164 - Overview

• 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

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.

Unfortunately, there isn't any extra information in this error notice.

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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