Yeah most likely it's run out of write cycles. Good news is cards are dirt cheap. At least one brand seems to be on deep sale every weekend round here.
well it's not getting a new sd card because i have one that's bigger, I just lost some personal stuff on it.
You wouldn't want to format it, then. That would make recovering the files even harder. If it can't be read at all most likely you're out of luck, unfortunately. --- Many Bothans died to bring you this post.