Please Help me, about my steam connectivity

Support Steam/Inventory Connectivity Issues
1

Although I am online, it gives this warning when I enter the game. What will I do ?

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2

Please follow this guide: https://support.steampowered.com/kb_article.php?ref=1456-EUDN-2493

3

Unfortunately, it did not happen again. I am having such a problem only in this game. Other than that, there is no such problem in other games.