grunt dev ModuleNotFoundError

grunt dev

See error
ModuleNotFoundError: Module not found: ValidationError: Invalid generator ob ject. Asset Modules Plugin has been initialized using a generator object tha t does not match the API schema.

- - generator has an unknown property 'filename'. These properties are valid:

- object { dataUrl? }

- -> Generator options for asset/inline modules.

- Compilation.js:2016
[CyberChef-master]/[webpack]/lib/Compilation.js:2016:28

- NormalModuleFactory.js:798
[CyberChef-master]/[webpack]/lib/NormalModuleFactory.js:798:13

- NormalModuleFactory.js:270
[CyberChef-master]/[webpack]/lib/NormalModuleFactory.js:270:22

- NormalModuleFactory.js:589
[CyberChef-master]/[webpack]/lib/NormalModuleFactory.js:589:15

- NormalModuleFactory.js:116
[CyberChef-master]/[webpack]/lib/NormalModuleFactory.js:116:11

- NormalModuleFactory.js:623
[CyberChef-master]/[webpack]/lib/NormalModuleFactory.js:623:8

- NormalModuleFactory.js:988 NormalModuleFactory.resolveRequestArray
[CyberChef-master]/[webpack]/lib/NormalModuleFactory.js:988:34

- NormalModuleFactory.js:615
[CyberChef-master]/[webpack]/lib/NormalModuleFactory.js:615:11

- Module not found: ValidationError: Invalid generator object. Asset Modules P lugin has been initialized using a generator object that does not match the API schema.

- - generator has an unknown property 'filename'. These properties are valid:

- object { dataUrl? }

- -> Generator options for asset/inline modules.

- ModuleNotFoundError: Module not found: ValidationError: Invalid generator ob ject. Asset Modules Plugin has been initialized using a generator object tha t does not match the API schema.

Start by reproducing the error with `grunt dev` and inspect the webpack configuration used by that task. Trace the Asset Modules Plugin setup and determine why the `generator.filename` property is rejected; done means the development command completes without this validation error.

Written by the indexing model from the issue text.