Where:
[ ] Script 'C:\src\flutter\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 362
[ ] What went wrong:
[ ] A problem occurred configuring project ':cloud_firestore_web'.
[ ] > Could not find method implementation() for arguments [project ':firebase_core'] on object of type org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler.
[ ] 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.
[ +8 ms] * Get more help at https://help.gradle.org
[ ] BUILD FAILED in 3s
[{"event":"app.progress","params":{"appId":"4f11d017-a0f2-4474-8eb9-8ef9f367615d","id":"0","progressId":null,"finished":true}}]
Finished with error: Gradle task assembleDebug failed with exit code 1
Try updating the flutter SDK, afterwards make sure that your minimum SDK version is 23 and have corresponding firebase service version. I hope this will help you out :)