Flutter with Vscode setup | No Android Studio

on installing cmdline tools, it is giving me this error, how to fix it

Exception in thread "main" java.lang.NullPointerException: Cannot invoke "java.nio.file.Path.getFileSystem()" because "path" is null
at java.base/java.nio.file.Files.provider(Files.java:105)
at java.base/java.nio.file.Files.createDirectory(Files.java:700)
at java.base/java.nio.file.Files.createAndCheckIsDirectory(Files.java:807)
at java.base/java.nio.file.Files.createDirectories(Files.java:753)
at com.android.repository.impl.manager.LocalRepoLoaderImpl.getKnownPackagesHashFile(LocalRepoLoaderImpl.java:354)
at com.android.repository.impl.manager.LocalRepoLoaderImpl.writeHashFile(LocalRepoLoaderImpl.java:418)
at com.android.repository.impl.manager.LocalRepoLoaderImpl.getPackages(LocalRepoLoaderImpl.java:124)
at com.android.repository.impl.manager.RepoManagerImpl$LoadTask.run(RepoManagerImpl.java:582)
at com.android.repository.api.RepoManager$DummyProgressRunner.runSyncWithProgress(RepoManager.java:417)
at com.android.repository.impl.manager.RepoManagerImpl.load(RepoManagerImpl.java:415)
at com.android.repository.impl.manager.RepoManagerImpl.loadSynchronously(RepoManagerImpl.java:300)
at com.android.repository.api.RepoManager.loadSynchronously(RepoManager.java:296)
at com.android.sdklib.repository.AndroidSdkHandler$RepoConfig.createRepoManager(AndroidSdkHandler.java:730)
at com.android.sdklib.repository.AndroidSdkHandler.getSdkManager(AndroidSdkHandler.java:272)
at com.android.sdklib.tool.sdkmanager.SdkManagerCliSettings.setSdkHandler(SdkManagerCliSettings.java:120)
at com.android.sdklib.tool.sdkmanager.SdkManagerCli.<init>(SdkManagerCli.java:96)
at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:80)
at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:48)