How To Fix BS_PERIOD066 - External to internal date format conversion of date from &1 not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: BS_PERIOD - BS Period Toolset - Message Class

• Message number: 066

• Message text: External to internal date format conversion of date from &1 not possible

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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Smart SAP Assistant

• What is the cause and solution for SAP error message BS_PERIOD066 - External to internal date format conversion of date from &1 not possible ?

  The SAP error message BS_PERIOD066 indicates that there is an issue with converting a date from an external format to an internal format. This typically occurs when the date format provided does not match the expected format defined in the system settings or when the date value is invalid.
  Cause:
  
  Incorrect Date Format: The date provided does not match the expected format (e.g., DD/MM/YYYY vs. MM/DD/YYYY).
  Invalid Date Value: The date value itself may be invalid (e.g., February 30th).
  Configuration Issues: The system's date format settings may not align with the format being used in the input data.
  Localization Settings: Different countries have different date formats, and if the system is set to a specific locale, it may not accept dates in another format.
  
  Solution:
  
  Check Input Date Format: Ensure that the date being input matches the expected format in the SAP system. You can check the expected format in the user profile settings or system configuration.
  Validate Date Values: Make sure that the date values are valid and do not contain any errors (e.g., check for leap years, correct month lengths).
  Adjust User Profile Settings: If the user profile settings are set to a specific date format, consider changing them to match the input format or vice versa.
  Review Configuration Settings: Check the configuration settings in the SAP system for date formats. This can usually be found in the transaction code SU01 (User Maintenance) or SPRO (Customizing).
  Use Conversion Functions: If you are working with ABAP code, consider using conversion functions like CONVERT_DATE_TO_EXTERNAL or CONVERT_DATE_TO_INTERNAL to handle date conversions properly.
  
  Related Information:
  
  User Profile Settings: You can check and modify the date format in the user profile settings under the "Defaults" tab.
  SAP Notes: Look for relevant SAP Notes that may address specific issues related to date formats and conversions.
  Documentation: Refer to the SAP Help Portal for documentation on date handling and formatting in SAP systems.
  Testing: If possible, test the input with different date formats to identify which formats are accepted by the system.
  
  By following these steps, you should be able to resolve the BS_PERIOD066 error and ensure that date conversions are handled correctly in your SAP environment.