Go to settings > Security and Privacy> Auto Blocker then disable it, but it'll suggest you to enable it after using the USSD as it is a security feature. Please accept my answer as a solution if it helped you.
Please go to security and privacy settings, click on Auto Blocker and turn off Auto Blocker immediately then try to it's again also turn on it's again after use this code or any other code for your's device security. If you like please accept as a solution it's help to others users also, click on 3dots in my reply section and click on accept solution. Thanks.
Please Turn off Auto Blocker From Setting(Security And Privacy) And Then Try It But Please Turn It on Because It Is Important For Your Privacy. Thanks 😊 Follow Me Up To Get Interesting Updates️✨️
As per your query, we would request you to kindly perform the following steps to resolve your issue.
Disable Auto Blocker: Go to Settings>> Select Security and Privacy>>Select Auto Blocker>>Then turn it Off.
If the issue persists, kindly report the problems with a log file. To share a log file, click on the Samsung Members Application (Open the Samsung Members Application > Support> Tap on send feedback> Choose Composer> Select Error report > select the appropriate issue category> Type your query and send).
