How To Fix W8175 - Expression & does not have a valid date format or time format

W8175 - Overview

• Message type: E = Error

• Message class: W8 - Workflow: Expressions, data flow

• Message number: 175

• Message text: Expression & does not have a valid date format or time format

What causes this issue?

The time or date entries do not correspond to the current conventions.

How to fix this error?

Use the F4 input help.

Error message extract from SAP system. Copyright SAP SE.

W8175 - Details

• SAP Error Message:
  W8175: Expression & does not have a valid date format or time format
  
  
  Cause:
  This warning message occurs when an expression or variable expected to contain a date or time value does not conform to a valid date or time format in SAP. Typically, this happens in ABAP programs, SAP queries, or selection screens where date/time fields are processed or validated.
  Common causes include:
  
  The variable or field used in a date/time context contains invalid or unexpected data.
  The format of the date/time value does not match the expected SAP internal format (e.g., YYYYMMDD for dates, HHMMSS for times).
  The expression is empty or contains non-numeric characters.
  Incorrect data type assignment or conversion before using the variable in date/time operations.
  
  
  
  Solution:
  To resolve this warning, you should:
  
  
  Check the Data Format:
  
  Ensure the variable or expression contains a valid date or time in the SAP internal format.
  For dates, the format should be YYYYMMDD (e.g., 20240615 for June 15, 2024).
  For