How To Fix /SAPAPO/DMRES171 - Invalid date format

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 171

• Message text: Invalid date format

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DMRES171 - Invalid date format ?

  The SAP error message /SAPAPO/DMRES171 Invalid date format typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system encounters a date that does not conform to the expected format. This can happen in various scenarios, such as when entering dates in planning books, data uploads, or during the execution of certain transactions.
  Cause:
  
  Incorrect Date Format: The date entered does not match the expected format defined in the system settings. For example, if the system expects a date in the format YYYY-MM-DD and the user enters it as DD/MM/YYYY, this error will occur.
  Localization Settings: The date format may vary based on the user's locale settings. If the user’s settings do not match the expected format, it can lead to this error.
  Data Upload Issues: If you are uploading data from an external source (like a CSV file), the date format in the file may not match the format expected by SAP.
  Custom Code or Enhancements: If there are custom programs or enhancements that manipulate date fields, they may not handle date formats correctly.
  
  Solution:
  
  Check Date Format: Ensure that the date is entered in the correct format as per the system's requirements. You can check the expected format in the SAP documentation or by consulting with your SAP Basis or functional team.
  Adjust User Settings: Go to the user profile settings and check the date format settings. You can adjust the date format to match what is expected by the system.
  Data Validation: If you are uploading data, validate the date fields in your source file to ensure they conform to the expected format before uploading.
  Review Custom Code: If the error is occurring in a custom program, review the code to ensure that it correctly handles date formats and conversions.
  Use Transaction Codes: If applicable, use transaction codes like SU01 to check user settings or SE38 to review custom programs.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for notes using the SAP Support Portal.
  Documentation: Refer to the SAP Help Portal for documentation on date formats and localization settings.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.