pro

[shayanzare-dev]

Null check operator used on a null value
package:pub/src/source/hosted.dart 778:33 HostedSource._getAdvisories.readAdvisoriesFromCache
===== asynchronous gap ===========================
package:pub/src/source/hosted.dart 796:12 HostedSource._getAdvisories
===== asynchronous gap ===========================
package:pub/src/source/hosted.dart 1084:24 HostedSource.getAdvisoriesForPackageVersion
===== asynchronous gap ===========================
package:pub/src/solver/report.dart 416:26 SolveReport._reportPackage
===== asynchronous gap ===========================
package:pub/src/solver/report.dart 220:18 SolveReport._reportChanges
===== asynchronous gap ===========================
package:pub/src/solver/report.dart 75:21 SolveReport.show
===== asynchronous gap ===========================
package:pub/src/entrypoint.dart 580:5 Entrypoint.acquireDependencies
===== asynchronous gap ===========================
package:pub/src/command/get.dart 76:5 GetCommand.runProtected
===== asynchronous gap ===========================
package:pub/src/command.dart 196:7 PubCommand.run
===== asynchronous gap ===========================
package:args/command_runner.dart 212:13 CommandRunner.runCommand
===== asynchronous gap ===========================
package:dartdev/dartdev.dart 236:18 DartdevRunner.runCommand
===== asynchronous gap ===========================
package:dartdev/dartdev.dart 47:16 runDartdev
===== asynchronous gap ===========================
C:\b\s\w\ir\x\w\sdk\pkg\dartdev\bin\dartdev.dart 13:5 main
This is an unexpected error. The full log and other details are collected in:

Consider creating an issue on https://github.com/dart-lang/pub/issues/new
and attaching the relevant parts of that log file.

[sigurdm]

Seems like a duplicate of #4422
What version of dart are you using?