Call to an undefined method Symfony\Component\Config\Definition\Builder\NodeParentInterface::scalarNode()

[bendavies]

Hi there!

since updating to 0.12.17, I'm now receiving:

Call to an undefined method Symfony\Component\Config\Definition\Builder\NodeParentInterface::scalarNode().

for code such as:

$rootNode = $treeBuilder->getRootNode();
$rootNode
    ->children()
    ->scalarNode('protocol')->end()
    ->scalarNode('host')->end()
    ->scalarNode('resource')->end()
    ->end()
;

Thanks!

[ondrejmirtes]

/cc @ruudk 😊

[ruudk]

Working on that today!

[github-actions]

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