How To Fix RW633 - Date "&1" is invalid; use the format "YYYYMMDD" (year, month, day)

SAP Error Message - Details

• Message type: E = Error

• Message class: RW - Interface to Accounting

• Message number: 633

• Message text: Date "&1" is invalid; use the format "YYYYMMDD" (year, month, day)

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message RW633 - Date "&1" is invalid; use the format "YYYYMMDD" (year, month, day) ?

  The SAP error message RW633 indicates that a date input is invalid because it does not conform to the expected format of "YYYYMMDD" (year, month, day). This error typically occurs when a user inputs a date in an incorrect format or when the date itself is not valid (e.g., February 30).
  Cause:
  
  Incorrect Format: The date is entered in a format other than "YYYYMMDD". For example, entering "12/31/2023" or "31-12-2023" will trigger this error.
  Invalid Date: The date entered does not exist in the calendar (e.g., February 30, April 31).
  Leading Zeros: If the month or day is not padded with leading zeros (e.g., "202312" instead of "20231201" for December 1, 2023).
  Data Type Issues: The field expecting a date might be receiving a string or numeric value that cannot be interpreted as a valid date.
  
  Solution:
  
  Correct Format: Ensure that the date is entered in the correct format "YYYYMMDD". For example, for December 1, 2023, enter "20231201".
  Validate Date: Check that the date you are entering is a valid date. Use a calendar to confirm that the day exists in the specified month and year.
  Leading Zeros: Make sure to include leading zeros for single-digit months and days. For example, use "20230105" for January 5, 2023.
  Check Field Type: Ensure that the field where you are entering the date is indeed expecting a date format and not a different data type.
  
  Related Information:
  
  SAP Documentation: Refer to SAP's official documentation for date formats and data entry guidelines.
  User Training: Ensure that users are trained on the correct date formats and the importance of data validation.
  Error Handling: Implement error handling in your application to catch and provide user-friendly messages when invalid dates are entered.
  
  By following these guidelines, you should be able to resolve the RW633 error and ensure that date inputs are correctly formatted and valid.