Missing Session Id

Hi,
Every time On_connect event triggered, Session_Id created in the debug log. But some time this session Id not created and giving “null” value.
Have any idea when and why this is happening.

@chsaidulu13
This does not look like expected behavior.
Will you be able to help us with the below information?
Which instance do you see this issue in? https://bots.kore.ai/botbuilder?
What is the frequency of occurrence?
Can you please share your bot export (rename JSON files to .txt extension and zip it back) with koresupport@kore.com?