Configuration 'development' is not set in the workspace.

[Danubius1st]

🐞 bug report

Is this a regression?

Yes, the previous version in which this bug was not present was: 9.1.11

Description

angular.json fragment:
...
"configurations": {
"production": {
"fileReplacements": [
{
"replace": "src/environments/environment.ts",
"with": "src/environments/environment.prod.ts"
}
],
"optimization": true,
"outputHashing": "all",
"sourceMap": false,
"extractCss": true,
"namedChunks": false,
"extractLicenses": true,
"vendorChunk": false,
"buildOptimizer": true,
"budgets": [
{
"type": "initial",
"maximumWarning": "500kb",
"maximumError": "1mb"
},
{
"type": "anyComponentStyle",
"maximumWarning": "2kb",
"maximumError": "4kb"
}
]
}
},
"development": {
"fileReplacements": [
{
"replace": "src/environments/environment.ts",
"with": "src/environments/environment.dev.ts"
}
],
"budgets": [
{
"type": "anyComponentStyle",
"maximumWarning": "40kb"
}
]
}
},
"serve": {
"builder": "@angular-devkit/build-angular:dev-server",
"options": {
"browserTarget": "multiple-env2:build"
},
"configurations": {
"production": {
"browserTarget": "multiple-env2:build:production"
},
"development": {
"browserTarget": "multiple-env2:build:development"
}
}
},
...

🔬 Minimal Reproduction

ng serve -c=development

🔥 Exception or Error

An unhandled exception occurred: Configuration 'development' is not set in the workspace.

🌍 Your Environment

Angular Version:

Angular CLI: 10.0.5
Node: 14.7.0
OS: win32 x64

Angular: 10.0.7
... animations, common, compiler, compiler-cli, core, forms
... platform-browser, platform-browser-dynamic, router
Ivy Workspace: Yes

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.1000.5
@angular-devkit/build-angular     0.1000.5
@angular-devkit/build-optimizer   0.1000.5
@angular-devkit/build-webpack     0.1000.5
@angular-devkit/core              10.0.5
@angular-devkit/schematics        10.0.5
@angular/cli                      10.0.5
@ngtools/webpack                  10.0.5
@schematics/angular               10.0.5
@schematics/update                0.1000.5
rxjs                              6.5.5
typescript                        3.9.7
webpack                           4.43.0

[alan-agius4]

Hi @Danubius1st, your JSON is not structured correctly. development should be a direct child of config configurations in both entries.

[Danubius1st]

Maybe I should use indentation

      "configurations": {
        "production": {
          "fileReplacements": [
            {
              "replace": "src/environments/environment.ts",
              "with": "src/environments/environment.prod.ts"
            }
          ],
          "optimization": true,
          "outputHashing": "all",
          "sourceMap": false,
          "extractCss": true,
          "namedChunks": false,
          "extractLicenses": true,
          "vendorChunk": false,
          "buildOptimizer": true,
          "budgets": [
            {
              "type": "initial",
              "maximumWarning": "500kb",
              "maximumError": "1mb"
            },
            {
              "type": "anyComponentStyle",
              "maximumWarning": "2kb",
              "maximumError": "4kb"
            }
          ]
        }
      },
      "development": {
        "fileReplacements": [
          {
            "replace": "src/environments/environment.ts",
            "with": "src/environments/environment.dev.ts"
          }
        ],
        "budgets": [
          {
            "type": "anyComponentStyle",
            "maximumWarning": "40kb"
          }
        ]
      }
    },
    "serve": {
      "builder": "@angular-devkit/build-angular:dev-server",
      "options": {
        "browserTarget": "multiple-env2:build"
      },
      "configurations": {
        "production": {
          "browserTarget": "multiple-env2:build:production"
        },
        "development": {
          "browserTarget": "multiple-env2:build:development"
        }
      }
    },

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