What literary device is this sentence? “I wrote it because life for teens is no playground.”

This sentence has used solecism, a literary device that is ungrammatical usage of words in a sentence. In other words, it is a sentence structure that transgresses grammatical rules. In the following sentence, you can notice the structure of sentence is not correct and words are deviating correct and conventional word order.

The correct sentence would be ” I wrote it because life for teens is not a playground.”