我试图将scss和foundation添加到流星项目中。我收到以下错误：
error: Conflict: Constraint fourseven:scss@3.4.1 is not satisfied by
fourseven:scss 3.2.0.
Constraints on package "fourseven:scss":
* fourseven:scss@3.4.1 <- zurb:foundation-sites 6.2.1_2
Conflict: Constraint ecmascript@0.1.6 is not satisfied by ecmascript 0.1.4.
Constraints on package "ecmascript":
* ecmascript@=0.1.4 <- top level
* ecmascript@0.1.4 <- coffeescript 1.0.9 <- cosmos:browserify 0.7.0
* ecmascript@0.1.3 <- caching-compiler 1.0.0 <- caching-html-compiler 1.0.1 <-
templating 1.1.3 <- accounts-ui-unstyled 1.1.8
* ecmascript@0.1.3 <- caching-compiler 1.0.0 <- coffeescript 1.0.9 <-
cosmos:browserify 0.7.0
* ecmascript@0.1.3 <- caching-compiler 1.0.0 <- cosmos:browserify 0.7.0
* ecmascript@0.1.3 <- accounts-base 1.2.1 <- accounts-password 1.1.3
* ecmascript@0.1.3 <- ddp-server 1.2.1 <- ddp 1.2.2 <- accounts-base 1.2.1 <-
accounts-password 1.1.3
* ecmascript@0.1.3 <- ddp-server 1.2.1 <- ddp 1.2.2 <- accounts-password 1.1.3
* ecmascript@0.1.4 <- templating 1.1.3 <- accounts-ui-unstyled 1.1.8
* ecmascript@0.1.3 <- caching-html-compiler 1.0.1 <- templating 1.1.3 <-
accounts-ui-unstyled 1.1.8
* ecmascript@0.1.3 <- templating-tools 1.0.0 <- caching-html-compiler 1.0.1 <-
templating 1.1.3 <- accounts-ui-unstyled 1.1.8
* ecmascript@0.1.3 <- templating-tools 1.0.0 <- templating 1.1.3 <-
accounts-ui-unstyled 1.1.8
* ecmascript@0.1.4 <- less 2.5.0_2 <- accounts-ui-unstyled 1.1.8
* ecmascript@0.1.6 <- zurb:foundation-sites 6.2.1_2
我找到了having a similar problem的人，但我还没有为这两个包指定版本。