Spotify won't play older saved songs when offline, only the last 25

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Plan

Free/Premium

Country

Device

(iPhone 8, Samsung Galaxy 9, Macbook Pro late 2016)

Operating System

(iOS 10, Android Oreo, Windows 10,etc.)

My Question or Issue

When i want to play songs offline, it only works with the last +-30 songs. When I try to play downloaded songs that I have for a longer time they won't play or glitch