How To Fix 5A438 - Only values from 001 to 999 are allowed as a day number

SAP Error Message - Details

• Message type: E = Error

• Message class: 5A - Basis Personnel Management

• Message number: 438

• Message text: Only values from 001 to 999 are allowed as a day number

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 5A438 - Only values from 001 to 999 are allowed as a day number ?

  The SAP error message 5A438 indicates that a day number entered in a certain field is outside the acceptable range. Specifically, it states that only values from 001 to 999 are allowed as a day number. This error typically occurs in scenarios where a date or a period is being processed, and the day number provided does not meet the required criteria.
  Cause:
  
  Invalid Input: The most common cause is that the user has entered a day number that is either less than 001 or greater than 999.
  Data Entry Error: There may have been a typographical error during data entry.
  System Configuration: In some cases, the system configuration or custom code may be incorrectly set up to accept day numbers outside the valid range.
  Date Format Issues: If the date format is not correctly interpreted, it may lead to incorrect day number extraction.
  
  Solution:
  
  Check Input Values: Verify the day number you are entering. Ensure it is within the range of 001 to 999.
  Correct Data Entry: If you find a typographical error, correct it and try again.
  Review Configuration: If you suspect a configuration issue, consult with your SAP Basis or technical team to review the relevant settings.
  Debug Custom Code: If there is custom code involved in processing the day number, review it for any logic errors that might allow invalid values.
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction or module you are working with to ensure you are following the correct procedures.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes depending on the context (e.g., MM, SD, FI).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Ensure that users are trained on the correct data entry procedures to minimize errors.
  Testing: If changes are made to configurations or custom code, conduct thorough testing to ensure that the issue is resolved and does not affect other functionalities.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.