How To Fix W0040 - Max. of one time period of 1st day can contain day change

SAP Error Message - Details

• Message type: E = Error

• Message class: W0 - Customizing - ISR

• Message number: 040

• Message text: Max. of one time period of 1st day can contain day change

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 W0040 - Max. of one time period of 1st day can contain day change ?

  SAP Error Message:
  
  W0040 Max. of one time period of 1st day can contain day change
  
  Cause:
  This warning message occurs in SAP Time Management when you try to create or maintain a time period (such as a work schedule or time evaluation period) where the first day of the period contains more than one day change (crossing midnight multiple times). SAP allows only one day change within the first day of a time period.
  In other words, the system expects that the first day of a time period can only have one "day change" (e.g., a shift crossing midnight once), but the data or configuration you are trying to save has multiple day changes on that first day, which is not allowed.
  
  When does it occur?
  
  When defining or maintaining work schedules or time periods in Time Management (e.g., in schema, work schedule rules, or time evaluation).
  When a time period includes multiple shifts or time entries that cross midnight more than once on the first day.
  When the system tries to evaluate or process time data that violates this rule.
  
  
  Solution:
  
  
  Check the Time Period Definition:
  
  Review the time period or work schedule rule you are defining.
  Ensure that the first day of the period contains only one day change (i.e., only one shift crossing midnight).
  
  
  
  Adjust Shift or Time Entries:
  
  Modify the shift timings or time entries so that the first day does not have multiple day changes.
  For example, if you have multiple shifts crossing midnight on the first day, consider splitting the period or adjusting shift times.
  
  
  
  Split the Time Period:
  
  If the time period is too long or complex, consider splitting it into smaller periods where the first day rule can be maintained.
  
  
  
  Check Customizing:
  
  Review the configuration in SPRO ? Personnel Management ? Time Management ? Work Schedules.
  Verify the settings for day change and time period definitions.
  
  
  
  Consult SAP Notes:
  
  Sometimes, specific SAP Notes address issues related to time evaluation and day changes. Check the SAP Support Portal for any relevant notes.
  
  
  
  
  Related Information:
  
  
  Day Change in Time Management:
  
  A day change occurs when a shift or time period crosses midnight, moving from one calendar day to the next.
  
  
  Time Evaluation:
  
  SAP Time Evaluation processes time data based on defined periods and shifts. It requires clear definitions of day changes to correctly calculate working times, overtime, and absences.
  
  
  Work Schedule Rules:
  
  These define how shifts and working times are structured, including how day changes are handled.
  
  
  Transaction Codes:
  
  PT01 - Maintain Work Schedule Rule
  PT02 - Maintain Work Schedule
  PTMW - Time Evaluation
  
  
  
  
  Summary:
  The warning W0040 indicates that the first day of a time period contains more than one day change, which is not allowed. To resolve it, adjust the time period or shift definitions so that only one day change occurs on the first day, ensuring compliance with SAP Time Management rules.
  
  If you provide more context (e.g., transaction used, configuration steps, or time data involved), I can help with more specific guidance.