Did they block me?

I had someone on snapchat as a friend but now when I send them private messages it says pending and is gray. They still show up as my friend. I can s

I had someone on snapchat as a friend but now when I send them private messages it says pending and is gray. They still show up as my friend. I can still view their story. Did they block me? If not, what is happening?

or:I had someone on snapchat as a friend but now when I send them private messages it says pending and is gray. They still show up as my friend. I can still view their story. Did they block me? If not, what is happening?

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