Lint found fatal errors while assembling a release target.

try this:-

First Solution:- Add this in build Gradle :

android {
      lintOptions {
          checkReleaseBuilds false
          // Or, if you prefer, you can continue to check for errors in release builds,
          // but continue the build even when errors are found:
          abortOnError false
      }
  }

Second Solution:- 

1) Goto your Android Projects directory

for example:-
D:\Android Projects\Retail\app\build\reports

open:
lint-results-release-fatal.html file in the browser.

and see the report and solve the error as shown in report.

-> Reference:-
1) https://www.youtube.com/watch?v=ckwnR8QtAcU
2) https://developer.android.com/studio/write/lint.html#config



Third Solution:-

Goto analytic As shown in links below:-
https://i.stack.imgur.com/j8us4.png 
https://i.stack.imgur.com/hm0pA.png


Solve the error as shown in the analytic result.

-> Reference:-
1) https://stackoverflow.com/questions/24098494/error-when-generate-signed-apk




Result by:

android generate signed apk lint found fatal errors while assembling a release target

org.gradle.api.gradleexception: lint found fatal errors while assembling a release target.

lint found fatal errors while assembling a release target react native

.gradleexception lint found fatal errors while assembling a release target

org.gradle.api.tasks.taskexecutionexception: execution failed for task ':app:lintvitalrelease'

app build outputs lint results release fatal html

duplicateplatformclasses: duplicate platform classes

duplicate platform classes lint

generate signed apk: errors while building apk. you can find the errors in the 'messages' view.

.gradleexception lint found fatal errors while assembling a release target

lint found fatal errors while assembling a release target react native

org.gradle.api.tasks.taskexecutionexception: execution failed for task ':app:lintvitalrelease'

android studio build release apk

app build outputs lint results release fatal html

lint error android

generate apk android studio

android generate signed apk lint found fatal errors while assembling a release target

to proceed, either fix the issues identified by lint, or modify your build script as follows:

lint found fatal errors while assembling a release target react native

org.gradle.api.tasks.taskexecutionexception: execution failed for task ':app:lintvitalrelease'

app build outputs lint results release fatal html

lint error android

duplicateplatformclasses: duplicate platform classes

fix the issues identified by lint or add the following to your build script to proceed with errors

Page navigation

android generate signed apk lint found fatal errors while assembling a release target

.gradleexception lint found fatal errors while assembling a release target

to proceed, either fix the issues identified by lint, or modify your build script as follows:

org.gradle.api.tasks.taskexecutionexception: execution failed for task ':app:lintvitalrelease'

fix the issues identified by lint or add the following to your build script to proceed with errors

lint error android

duplicateplatformclasses: duplicate platform classes

execute task action 2 2 for app lintvitalrelease

execution failed for task ':app:lintvitalrelease'. react native

execution failed for task ' lintvitalrelease'. unity

execution failed for task ':lintvitalrelease'.

execution failed for task ': app lintvitalrelease lint infrastructure error

unity execution failed for task ':lintvitalrelease'.

execute task action 2 2 for app lintvitalrelease

org.gradle.api.gradleexception: lint found fatal errors while assembling a release target.

task :app:lintvitalrelease failed

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checkreleasebuilds false

org.gradle.api.tasks.taskexecutionexception: execution failed for task ':app:lintvitalrelease'

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fix the issues identified by lint or add the following to your build script to proceed with errors

duplicateplatformclasses: duplicate platform classes

android studio build release apk

lint error android

Page navigation

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android generate signed apk lint found fatal errors while assembling a release target

org.gradle.api.gradleexception: lint found fatal errors while assembling a release target.

lint found fatal errors while assembling a release target react native

.gradleexception lint found fatal errors while assembling a release target

org.gradle.api.tasks.taskexecutionexception: execution failed for task ':app:lintvitalrelease'

app build reports lint results release fatal html

duplicate platform classes lint

android lintoptions

generate signed apk: errors while building apk. you can find the errors in the 'messages' view.

lint found fatal errors while assembling a release target react native

org.gradle.api.tasks.taskexecutionexception: execution failed for task ':app:lintvitalrelease'

.gradleexception lint found fatal errors while assembling a release target

android studio build release apk

app build reports lint results release fatal html

android lintoptions

duplicateplatformclasses: duplicate platform classes