Where: Build file '/home/dhiraj/Desktop/mine/hamrokart-flutter/android/app/build.gradle' line: 55
What went wrong: A problem occurred evaluating project ':app'.
java.net.URISyntaxException: Illegal character in opaque part at index 2: C:\Users\nibba\key.jks
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.
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BUILD FAILED in 0s
Exception: Gradle task assembleDebug failed with exit code 1

/paths but that's a Windows path with ``. Also seems to be someone else's "Java Key Store" file for signing the app.