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I'm simply trying to add a project to an existing solution, but I keep getting the following: enter image description here

So I have also tried to create a standalone project, which works and builds. However when I add it as an existing project into the solution I get the same error again when viewing.

enter image description here

Any ideas?

D-W
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  • That error is often the result of an incorrect `web.config` file in the `Views` folder –  Apr 29 '18 at 11:02
  • I don't know if this will solve your problem, but hopefully, it will help you find the missing namespaces. https://stackoverflow.com/questions/8037895/where-can-i-find-system-web-helpers-system-web-webpages-and-system-web-razor – nocturns2 Apr 29 '18 at 11:11
  • But it builds ok when its standalone? – D-W Apr 29 '18 at 11:11

1 Answers1

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Check Your namespace is correctly defined or not

Uzzal Prasad
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