AdxRtList Source Down. What to do?

There is my question related to this one : https://community.developers.refinitiv.com/questions/33947/adxrtlist-what-rt-item-stale-means.html

So, I request for an image for a list of the tickers. There is a callback function that parses a response. To avoid Stale items, I've added source status check GetSourceStatus() to the callback function before any parsing done.

Here is what happened today:

I ran 5 requests one after another. 4 worked fine. 5th got me RT_SOURCE_DOWN.

So I discarded the data and re-ran it again 4 times with the same problem. Then I destroyed the Rtx object and created new one. That new one gave me the same behavior - RT_SOURCE_DOWN for all next requests. (note: I delete the object but do not release it. If I release it, I cannot create new . There was another ticket on the forum)

At this point I don't know how to recovery from this state. The only thing that always help - restart Eikon and application.