How To Fix 3O390 - Please input a valid effective date

3O390 - Overview

• Message type: E = Error

• Message class: 3O - HR: Messages for Taiwan

• Message number: 390

• Message text: Please input a valid effective date

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 3O390 - Please input a valid effective date ?

  The SAP error message 3O390 ("Please input a valid effective date") typically occurs when a user is trying to enter or modify data that requires a date input, but the date provided is either invalid or not within the acceptable range defined by the system.
  Causes:
  
  Invalid Date Format: The date entered may not conform to the expected format (e.g., DD/MM/YYYY vs. MM/DD/YYYY).
  Out of Range Date: The date may be outside the valid range set in the system (e.g., a date in the past or future that is not allowed).
  Missing Date: The date field may be left blank when it is required.
  System Configuration: The effective date may be restricted by specific business rules or configurations in the SAP system.
  
  Solutions:
  
  Check Date Format: Ensure that the date is entered in the correct format as required by the system.
  Verify Date Validity: Make sure the date is within the acceptable range. For example, if the system