one time i got jumpscared by my wii u because i was playing mario kart 8 and i wanted to go to mktv after it loaded it crashed and gave me the dreaded error 160-1103 (the problem with the system memory) even though my console is the white 8gb model, i turned it off waited a bit
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and its fine now
I had the same problem, but it happened to me on the black model with 32 gb of storage. (i‛m using Google translate for this post, sorry if my English isn‛t great)