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Event time format is invalid

Updated on September 10, 2021

During the processing of a data flow work item that contains an event strategy, the following error is displayed:

PropertyValueInvalid. TIME cannot cast the value (some string instead of date) to Date.


This error occurs when all of the following conditions apply:

  • The Event timestamp property of the Real-Time Data shape is configured to use the event time instead of the system time.
  • The incoming event JSON record contains a string that does not match the Date format property that is configured for the event time.


Perform one of the following actions to eliminate this error:

  • Configure the Date format property in the Real-Time Shape in the event strategy to match the format of the incoming event records.
  • Configure the data set that is the source of your events to insert the time in a format that matches the Date format property in the Real-Time Data shape in the event strategy. The default date format of the Pega 7 Platform is YYYYMMDD'T'HHmmss.SSS

Date format

Date format property in the Real-Time Data shape

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