How To Fix CONHISTORY001 - Start time is after end time

SAP Error Message - Details

• Message type: E = Error

• Message class: CONHISTORY - Messages for Workspace Contact History

• Message number: 001

• Message text: Start time is after end time

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 CONHISTORY001 - Start time is after end time ?

  The SAP error message CONHISTORY001: Start time is after end time typically occurs in the context of time-related data entries, such as in the context of work center scheduling, production orders, or maintenance tasks. This error indicates that the start time you have entered for a particular operation or task is later than the end time, which is logically incorrect.
  Cause:
  
  Incorrect Time Entry: The most common cause is that the user has mistakenly entered a start time that is later than the end time.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in the time entries.
  Time Zone Differences: If the system is set up to handle multiple time zones, discrepancies may arise if the times are not converted correctly.
  User Input Error: Simple typographical errors when entering times can lead to this issue.
  
  Solution:
  
  Check Time Entries: Review the start and end times you have entered. Ensure that the start time is indeed earlier than the end time.
  Adjust Time Values: If you find that the start time is incorrect, adjust it to a time that is earlier than the end time.
  Validate Data: If the error arises from migrated data, validate the time entries for correctness and consistency.
  Consult Documentation: If you are unsure about the correct time format or entry, refer to the relevant SAP documentation or user guides.
  System Configuration: If the issue persists, check the system configuration for any settings related to time handling, especially if multiple time zones are involved.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may be using transaction codes like CO01 (Create Production Order), IW31 (Create Maintenance Order), etc.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Ensure that users are trained on how to correctly enter time data in the system to prevent future occurrences of this error.
  Debugging: If you have access to technical support, debugging the transaction may provide insights into why the error is occurring.
  
  By following these steps, you should be able to resolve the CONHISTORY001 error and ensure that your time entries are accurate.