How To Fix TU181 - Enter a period length

SAP Error Message - Details

• Message type: E = Error

• Message class: TU - Billing/Scheduling/Budget Billing

• Message number: 181

• Message text: Enter a period length

What causes this issue?

You must enter either months or days for the period length. This
specifies the period length of the portion.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TU181 - Enter a period length ?

  The SAP error message TU181, which states "Enter a period length," typically occurs in the context of time management or planning within SAP, particularly when dealing with time-related data entries, such as in the context of time evaluation or planning scenarios.
  Cause:
  The error message TU181 is triggered when the system expects a period length to be specified, but it has not been provided. This can happen in various scenarios, such as:
  
  Missing Input: The user has not entered a value for the period length in a relevant field.
  Configuration Issues: There may be a configuration issue in the system that does not allow the period length to be recognized or processed correctly.
  Data Entry Errors: The user may have entered data in an incorrect format or in the wrong field.
  
  Solution:
  To resolve the TU181 error, you can take the following steps:
  
  
  Check Input Fields: Ensure that you have entered a valid period length in the required field. This could be in days, weeks, months, etc., depending on the context of the transaction.
  
  
  Review Configuration: If you are an administrator or have access to configuration settings, check the relevant configuration settings in the SAP system to ensure that the period length is defined correctly.
  
  
  Consult Documentation: Refer to the SAP documentation or help files related to the specific module you are working with (e.g., HR, Project Management) to understand the expected input for period lengths.
  
  
  User Training: If this error is common among users, consider providing training or guidance on how to correctly enter data in the system.
  
  
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to time management, such as PA30 (Maintain HR Master Data), CATS (Cross-Application Time Sheet), or others depending on your specific use case.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Forums: Consider visiting 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 resolve the TU181 error and successfully enter the required period length in your SAP system.