Message type: E = Error
Message class:  LSOPV - Training Management (Copy of Message Class PV) 
Message number: 191
Message text: Start time must be before end time
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The SAP error message LSOPV191, which states "Start time must be before end time," typically occurs in scenarios where time intervals are being defined, such as in scheduling, planning, or time management functions. This error indicates that the start time you have entered is either the same as or later than the end time, which is logically incorrect.
Cause: Incorrect Time Entry: The most common cause is that the user has mistakenly entered the start time as being later than or equal to the end time. Data Entry Errors: This can happen due to typographical errors or misunderstanding of the time format. System Configuration: In some cases, the system configuration or settings may lead to this error if there are constraints on time entries.
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. Correct Format: Make sure that the time is
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