Answer :

Minecraft Realms mein 'Invalid Session' error aane par kuch kadam uthaye ja sakte hain. Sabse pehle, Minecraft aur launcher ko band karke phir se shuru karein. Agar samasya bani rahti hai, toh apne computer ko restart karein aur internet connection ki jaanch karein. Apne Microsoft account se logout karke phir se login karein. Agar ye sab karne ke baad bhi dikat hal na ho, toh Minecraft ko uninstall karke phir se install karein. Yeh kuch saral upay hain jo aksar is prakar ki samasyaon ka samadhan karte hain. Minecraft ke latest version ka upyog karein aur sunishchit karein ki aapke firewall settings Minecraft ko block na kar rahi ho. Agar in upayon ke baad bhi samasya bani rahe, toh Minecraft support se sampark karein.