Fix FetchMessage return io.EOF error

[zydovech]

for #1222

[VMois]

Hi! Thank you for your contribution. I cannot help with the review as I am also a new person here, but I noticed that your commit message does not align with the Contribution guide. If you can correct it, it might speed up the review.

For example, a possible commit message:

Fix FetchMessage, return io.EOF error

Fixes #1222

Make sure to start with a capital letter and add "Fixes " in the body of a commit message.

[zydovech]

Thanks for @VMois , Adjusted commit message

[nurgasemetey]

Hello everyone!

I am wondering whether it will be merged. Sorry for ping!