Tasks invoked by Mergent are subject to timeouts. By default, Mergent's request timeout is 15 minutes; however, most hosting providers have different timeouts that will terminate a request after a certain amount of time.
AWS API Gateway: 30 seconds
AWS ECS: ∞
AWS Lambda: 15 minutes
Google Cloud Functions: 1 minute, configurable to 9 minutes
Google Cloud Run: 5 minutes, configurable to 60 minutes