How To Fix FDT_HRF157 - Assigned element &1 and view parameter &2 are of different types

FDT_HRF157 - Overview

• Message type: E = Error

• Message class: FDT_HRF - FDT: HRF

• Message number: 157

• Message text: Assigned element &1 and view parameter &2 are of different types

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

FDT_HRF157 - Details

• The SAP error message FDT_HRF157 indicates that there is a type mismatch between an assigned element and a view parameter in the context of SAP Fiori or SAP UI5 applications, particularly when dealing with Field Data Management (FDM) or similar frameworks. This error typically arises when the data types of the elements being used do not match, which can lead to issues in data processing or display.
  
  Cause:
  
  Type Mismatch: The most common cause of this error is that the data type of the assigned element (e.g., a field or variable) does not match the expected data type of the view parameter. For example, if the assigned element is of type String and the view parameter is expecting an Integer, this error will occur.
  Incorrect Configuration: There may be a misconfiguration in the data model or the UI component where the types are not aligned.
  Changes in Data Model: If there have been recent