The getsampleusingtime method can only be used for a single timeseries object Invalid property-value pair. The start and end times must be numeric values. Invalid start time format The specified time value is duplicated in the timeseries but the AllowDuplicateTimes flag is set to false. Set the AllowDuplicateTimes flag to true when calling GETSAMPLEUSINGTIME to obtain samples at a duplicate time The ALLOWDUPLICATETIMES flag does not have logical type. Casting to logical