How To Fix TF018 - Time interval invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: TF - Financial Accounting Tables

• Message number: 018

• Message text: Time interval invalid

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 TF018 - Time interval invalid ?

  The SAP error message TF018 ("Time interval invalid") typically occurs when there is an issue with the time intervals defined in the system, particularly in the context of time management or time evaluation processes. This error can arise in various scenarios, such as when processing time data for employees or during payroll calculations.
  Causes of TF018 Error
  
  
  Invalid Time Interval: The time interval specified in the configuration or during data entry may not be valid. This could be due to incorrect start and end times or dates that do not align with the defined work schedules.
  
  
  Configuration Issues: There may be issues with the configuration of time management settings in the system, such as incorrect definitions of work schedules, absence types, or time evaluation rules.
  
  
  Data Entry Errors: Users may have entered time data incorrectly, such as overlapping time entries or entries that fall outside of the defined work schedule.
  
  
  Missing Time Data: If the system expects certain time data to be present and it is missing or incomplete, this can trigger the error.
  
  
  Solutions to TF018 Error
  
  
  Check Time Intervals: Review the time intervals being used in the transaction or report that triggered the error. Ensure that the start and end times/dates are valid and do not overlap with other entries.
  
  
  Review Configuration: Go to the configuration settings for time management in SAP (transaction codes like SPRO) and verify that all settings related to work schedules, time types, and absence types are correctly defined.
  
  
  Correct Data Entry: If the error is due to user input, correct any invalid entries. Ensure that all time data is entered according to the defined formats and rules.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on valid time intervals and configurations.
  
  
  Testing: If changes are made to configurations or data, perform tests to ensure that the error does not recur. This may involve running test payrolls or time evaluations.
  
  
  Seek Support: If the issue persists, consider reaching out to your SAP support team or consulting with SAP experts who can provide more tailored assistance based on your specific system setup.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as PA20 (Display HR Master Data), PA30 (Maintain HR Master Data), and PT60 (Time Evaluation) to help diagnose and resolve the issue.
  SAP Notes: Check SAP Notes for any known issues or patches related to the TF018 error. SAP Notes can provide insights into specific bugs or configuration recommendations.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the TF018 error and implement a solution to resolve it.