Error after add Package using composer


I followed steps from this tutorial . Yii2 advanced template . But after i configure the composer "composer.json" and run the command " composer update --prefer-dist " , I got the following error .before this the app is working for me.

Unknown Method – yii\base\UnknownMethodException

Calling unknown method: yii\web\UrlManager::addRules()

Help me .

same problem :(

any help?

dear Rajith R, could you solve it?

same problem with me install composer global require "fxp/composer-asset-plugin:1.0.0"

in my case, solved in this way, first run these commands:

composer global require "fxp/composer-asset-plugin:1.0.*@dev"

composer update

when finished, back up your vendor folder and composer.lock from your project and then delete them, after that run this command:

composer install

hope work well

Thank you