Error running React-Native run-android

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Good day to you all. I’m taking a course in React-Native and I’m already in 10th class. I’m running the course project via USB Debugging on mobile. Until then, everything worked fine but when I updated the SRC folder of the 11th class, the React-Native run-android started to show some errors and no longer ran on mobile. So, I came back with the files of the 10th class (that worked well) but now appear the errors I show below, and no longer runs. As a beginner, I have no idea what could be causing this. Could you help me ? Thanks in advance.

Follow the error lines:

C:\Temp\____Cursos\Samurai\Aula Smart Money\smartMoney2>npx react-native run-android

info Running jetifier to migrate Libraries to Androidx. You can disable it using "-no-jetifier" flag. Jetifier found 1192 file(s) to forward-jetify. Using 8 Workers... info Starting JS server... info Installing the app...

Task :app:compileDebugJavaWithJavac FAILED

Deprecated Gradle Features Were used in this build, making it incompatible with Gradle 7.0. Use '-Warning-mode all' to show the individual deprecation warnings. See https://docs.gradle.org/6.2/userguide/command_line_interface.html#sec:command_line_warnings 133 actionable tasks: 4 executed, 129 up-to-date C: Temp____courses Samurai Aula Smart Money smartMoney2 android app src main java com smartmoney Mainapplication.java:22: error: cannot find Symbol Return Buildconfig.DEBUG; ^ Symbol: variable Buildconfig Note: C: Samurai Courses Aula Smart Money smartMoney2 android app src debug java com smartmoney2 Reactnativeflipper.java uses or overrides a deprecated API. Note: Recompile with -Xlint:deprecation for Details. 1 error

FAILURE: Build failed with an Exception.

  • What Went Wrong: Execution failed for task ':app:compileDebugJavaWithJavac'.

Compilation failed; see the Compiler error output for Details.

  • Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

  • Get more help at https://help.gradle.org

BUILD FAILED in 9s

error Failed to install the app. Make sure you have the Android Development Environment set up: https://reactnative.dev/docs/environment-setup. Run CLI with --verbose flag for more Details. Error: Command failed: gradlew.bat app:installDebug -Preactnativedevserverport=8081 C: Temp____courses Samurai Aula Smart Money smartMoney2 android app src main java com smartmoney Mainapplication.java:22: error: cannot find Symbol

C: Temp____samurai Classes Smart Money smartMoney2>

react-native

  • Did you install any new dependencies before starting to occur? If so, which one?

  • Good morning. I didn’t install anything, because the class didn’t mention anything about some new dependency.

  • Executes a cd android, ./gradlew clean, cd .. and tries to run the project again. Sometimes this solves.

  • Thanks for your help, but it didn’t help. I think I’ll create another ZERO project, put the 10th class that was working and install each dependency gradually.

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