All @roots/bud packages should have the same or as close as possible versions.
In your package.json most @roots/bud packages are of version 6.7.3, but the version range for @roots/bud-sass is higher (^6.14.1).
The safest and easiest fix is setting the version of @roots/bud-sass to 6.7.3
(and refresh the packages using yarn or npm);
"@roots/bud-sass": "^6.14.1"
"@roots/bud-sass": "6.7.3"
yarn CLI command for installing @roots/bud-sass of specific version:
yarn add @roots/[email protected] --dev
Does yarn/npm allow to nudge/force specific packages to have the same or close version? This would prevent this issue in the future, as just installing @roots/bud-sass can easily result in a newer package version being required than the ones of the existing @roots/bud packages.