Invalid SD Card issue and Java error


feefee

Members
Sep 27, 2020
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Hi everyone,
I bought a Redmi Note 9 Pro 2 months ago. Last week I was taking photos and when I was at home, I realized that the phone had stopped saving the photos I was taking in the middle of the trip because I chose to save them on the SD Card. Now, after I restarted the phone and ejected the SD Card, I all of a sudden got the message that I should format the SD Card. I copied the data to my computer and tried formatting it with my phone which did not work. I formatted it with the PC and another phone but I still got the same message now. When I try to format it (which the phone is asking me to) I get the following error at the end of the process:"attempt to invoke virtual method 'int java.lang.string.length()' on a null object reference".

Now, I did some app updates in the last days but besides, I did not do any changes. The SD Card works on another phone, so I assume the problem is within the redmi phone. Does anybody have an idea of what to do with that?

Thanks a lot!
 

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