You need to set up the plugin to be able to use it.
Your DinOdds Client ID is the license key you get when purchasing a subscription. You can get it from your DinoMatic account.
Add Client ID
After activating DinOdds plugin, you'll find a new menu item in your WordPress dashboard left hand navigation: DinOdds. Visit that page by clicking the menu item or Settings link in your plugins listing.
You'll be prompted to add your Client ID, enter it and click the Save button.