I have deployed my Electrons remotely - they have been running fine with a publish event and then my server sending an ack back via a particle function call within 30secs so that the device can clear its buffers with the data that has been successfully received. the device then sleeps for an hour and repeats the process.
Today I started getting the same publish message continously every hour and with its retries which means that the ACK function is never being received.
I tried to send my ack function back manually using the particle CLI
On one of the devices I receved the following return value
particle call calm-vampire data_ack "OK"
Function call failed Exception during function call -------------THIS IS CONCERNING what is it.
on the other device
particle call elegant-captain data_ack "OK"
Function call failed Timed out. This is probably because it is actually offline
It has been working well for a week or more so just wondering if anything else could be wrong. This is in trials for us at the moment but it’s a 4hour drive each way to get to it, so I would really like it reappear before I begin losing data.