error while trying running app

FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':clean'. > Unable to delete directory 'D:\Mendix\deployment\model'     Failed to delete some children. This might happen because a process has files open or has its working directory set in the target directory.     - D:\Mendix\deployment\model\bundles\project.jar     - D:\Mendix\deployment\model\bundles * Try: > Run with --stacktrace option to get the stack trace. > Run with --debug option to get more log output. > Run with --scan to get full insights. * Get more help at BUILD FAILED in 2s
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