Why get error when trying to add controller and new scaaffolded item, ASP.NET MVC, VS 2019?

Question

0.00/5 (No votes)

See more:

Hi
I try to add controller and a new scaffolded item but I have got the following error: There was an error running the selected code generator:
'Package restore failed. Rolling back package changes for 'MvcMovie'.'

How can I solve the problem?

BR
Merh

What I have tried:

I don't know how to solve.
I have googled for information but without results.

Posted 7-May-19 21:10pm

merh

Updated 26-Aug-19 1:03am

Add a Solution

Comments

[no name] 8-May-19 4:35am

Is it a "Nuget" package? If so, check their status.

ZurdoDev 8-May-19 10:52am

If you just changed your model, make sure to do a build first.

2 solutions

Add a Solution

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

e-a-s-y · Answer 1 · 2019-08-26T01:03:00

Delete ".vs" folder from your solution directory. After reopening solution, execute a "Clean Soluiton" - that worked for me in VS2019, MVC .NET 4.7.2.

See also: c# - "There was an error running the selected code generator: 'The value -1 outside the acceptable range of [0,2147483647]. Parameter name :value''" - Stack Overflow[^]

e-a-s-y · Answer 2 · 2019-08-26T01:05:00

Solution 3

Delete ".vs" folder from your solution directory. After reopening solution, execute a "Clean Soluiton" - that worked for me in VS2019, MVC .NET 4.7.2.

Posted 26-Aug-19 1:05am

e-a-s-y

Updated 26-Aug-19 1:24am

Why get error when trying to add controller and new scaaffolded item, ASP.NET MVC, VS 2019?

2 solutions

Solution 1

Solution 3

Add your solution here

Preview 0

Why get error when trying to add controller and new scaaffolded item, ASP.NET MVC, VS 2019?

2 solutions

Solution 1

Solution 3

Add your solution here

Preview 0

Existing Members

...or Join us