tMongoDBInput: Exception when using $match stage in an Aggregation query

[Anonymous]

Hello All,

I'm querying a mongoDB with tMongoDBInput.

Everything worked well until i added a $match stage to the "Aggregation Pipeline Query" in order to keep only the documents with an updated date greater than a specified date. But i get this error :

I can't understand this error. Anyone has any idea? Here's a screenshot of the tMongoDBInput Aggregation stages  with the match stage I added highlighted:

Thanks in advance.

[Anonymous · Accepted solution]