I am getting this error in given file while checkout am unable to process any Order.


2 Answers 2


Stores > Configuration > Customer > Customer Configuration > Name and Address Options: Number of Lines in a Street Address make it 1.


It's look like a default magento error.

The bug is discussed here : https://github.com/magento/magento2/issues/4921

The commit for solve this is here : https://github.com/magento/magento2/commit/7fb8a9c0ede398c661f001ac22fa4fb7dc642b2b

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