Message type: E = Error
Message class:  /SAPCND/MAINTENANCE -  
Message number: 043
Message text: Only certain times are permitted.
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The SAP error message /SAPCND/MAINTENANCE043: Only certain times are permitted typically occurs in the context of maintenance windows or scheduling in SAP systems, particularly when dealing with maintenance plans, service orders, or similar functionalities. This error indicates that the time you are trying to set or modify is not allowed based on the system's configuration or the rules defined for the maintenance activity.
Cause: Invalid Time Entry: The time you are trying to enter may not fall within the allowed time slots defined in the system. Configuration Settings: The system may have specific settings that restrict the times for maintenance activities, such as business hours or maintenance windows. Calendar Settings: The error may arise if the calendar settings (like working days and hours) do not align with the time you are trying to set. User Authorizations: Sometimes, the user may not have the necessary authorizations to perform actions outside of defined times.
Solution: Check Allowed Times: Review
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