Shows memory ECC: disabled, no part or serial number?

I have an end of 2013 MB Pro with 16 GB of memory. Recently, I noticed that when I open the system report and look at memory, it is said that ECC is disabled and gives no series or part number for the memory card (see picture)... I don't think it was the case when I bought it new 3 years ago, but I don't remember the last time I checked the system report. Is this normal, is it potentially something wrong with my memory, what could cause this? If it is a question, how could it be fixed?

Look at this link for the answer:

https://discussions.Apple.com/thread/2438202?start=0 & tstart = 0

Ciao.

Tags: Notebooks

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