c# - Enttiy Framework - ambigous packages while using ps commands -


i've following error while using ps commands related entity framework (f.e. update-database):

type name 'microsoft.visualstudio.shell.package' ambiguous, 'microsoft.visualstudio.shell.package, microsoft.visualstudio.shell.14.0, version=14.0.0.0, culture=neutral, publickeytoken=b03f5f7f11d50a3a' or 'microsoft.visualstudio.shell.package, microsoft.visualstudio.shell, version=14.0.0.0, culture=neutral, publickeytoken=b03f5f7f11d50a3a'.

yesterday fine, no updates windows or vs installed.

the problem causes "update-database" ran nuget package console. happens nuget commands related entity-framework.


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