This occurs when the yesterday function is used in FTM. A description below of yesterday function.
Based on the documentation:
<yesterday...> - Actual date yesterday with respect to holidays.
For example, if today is Monday, and Saturday and Sunday are set as holidays,
then the yesterday tag is the date of the previous Friday.
There is a special case wherein yesterday function is set, the monitoring period is set to midnight_to_midnight, and the monitoring duration falls exactly at 12 midnight which results in arrivalTime and currentFileSize being null.
The monitoring period should be set to Noon_to_noon.
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