Connection must be made error in Android chat SDK

We are getting the below-mentioned error in Android Chat SDK,

SendBirdException{code=800101, message=Connection must be made.} 6 at 7 at 8 at$ 9 at$ 10 at$ 11 at 12 at java.util.concurrent.ThreadPoolExecutor.runWorker( 13 at java.util.concurrent.ThreadPoolExecutor$ 14 at

Please let us know what are the possibilities that an error can occur & what will be impact?

SDK version used is:-