visual studio - System References Error -


enter image description here

i tried add missing assemblies not working @ all.

seems nuget packages committed repository , breaking everything. deleting project\project\packages directory repo should solve build problems since nuget fetches packages automatically on build.

so, try following below steps fix issue:

  1. locate project’s packages folder
  2. delete package folder
  3. check in
  4. rebuild project

reference thread : resolved: “microsoft.codeanalysis.buildtasks.csc” task not loaded assembly.

update:

the yellow exclamation marks issue should related reference path. system cannot find references, seems original reference path changed.

just try reinstall package, can use nuget command line in package manager console:

update-package -reinstall

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