How To Fix RU411 - Actual time determination: SI unit is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: RU - Messages for order completion confirmation

• Message number: 411

• Message text: Actual time determination: SI unit is missing

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 RU411 - Actual time determination: SI unit is missing ?

  The SAP error message RU411 "Actual time determination: SI unit is missing" typically occurs in the context of time management or time evaluation processes within SAP, particularly when dealing with time-related data such as attendance, absences, or work schedules. This error indicates that the system is unable to determine the actual time because a required SI (International System of Units) unit is missing.
  Cause:
  
  Missing Configuration: The error often arises when the configuration for time evaluation or time management is incomplete. Specifically, it may indicate that the system is unable to find the necessary unit of measure for time-related data.
  Incorrect Master Data: If the master data for employees, work schedules, or time types is not properly maintained, it can lead to this error.
  Custom Development Issues: If there are custom programs or enhancements that manipulate time data, they may not be handling units correctly.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for time management in SAP (transaction code SPRO).
  Ensure that the relevant time units are defined correctly in the system. This includes checking the settings for time evaluation and ensuring that all necessary units of measure are available.
  
  
  
  Review Master Data:
  
  Check the employee master records (transaction code PA30) to ensure that all relevant time-related fields are filled out correctly.
  Verify that the work schedules and time types are correctly defined and assigned to the employees.
  
  
  
  Check Time Evaluation Settings:
  
  Ensure that the time evaluation schema is correctly set up and that it includes the necessary rules for determining actual time.
  Review the time evaluation logs for any additional errors or warnings that may provide more context.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the time evaluation process to identify where the missing unit is causing the failure. This may require technical expertise in ABAP programming.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to time management and time evaluation for any specific guidance or known issues.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may have additional insights or patches available for your specific version of SAP.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as PA30 (Maintain HR Master Data), PT60 (Time Evaluation), and SPRO (SAP Reference IMG).
  SAP Notes: Search for SAP Notes related to RU411 or time evaluation issues in the SAP Support Portal for any updates or fixes.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the cause of the RU411 error in your SAP system.