Getting error while calling contract event

Kumari Shweta

Hi team,

I am calling contract event in following way.
        await contract.addContractListener(listener, {
             checkpointer: await DefaultCheckpointers.file('checkpoint.json'),

Earlier i was receiving events using checkpointer but now i am getting error.
"[EventService]: [] - #648- unexpected deliverResponse status received - 404"

what can be issue ?

Thanks !!!

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