keeps crashing and saying flash card is needing updated when its fully updated

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What I expected to happen was...:
Describe what you thought should happen here
Minecraft to load up and let me play
What actually happened was...:
Describe what happened here
but it kept crashing saying flash card is unupdated when it is
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...