Player will not sprint on Switch

When double tapping forward to sprint, the player does not complete the function. The player will either sprint for ~1 second and then go back to walking OR not sprint at all. Not being able to sprint is very dangerous. I’ve already been killed by creepers many times because I cannot sprint away. When walking, player will also randomly sprint in short intervals. Update: I’ve also noticed that walking and sprinting (when it will even let me) are significantly slower!