It's the message above just informative or any kind of error?

sudo dmesg| grep "at24"
[ 2.727273] at24 0-0050: supply vcc not found, using dummy regulator
[ 2.756674] at24 0-0050: 256 byte spd EEPROM, read-only
[ 2.756702] at24 0-0051: supply vcc not found, using dummy regulator
[ 2.757230] at24 0-0051: 256 byte spd EEPROM, read-only
[ 2.757245] at24 0-0052: supply vcc not found, using dummy regulator
[ 2.759672] at24 0-0052: 256 byte spd EEPROM, read-only
[ 2.759690] at24 0-0053: supply vcc not found, using dummy regulator
[ 2.760256] at24 0-0053: 256 byte spd EEPROM, read-only

SID, 6.6.13-amd64

Now tell us the rest. We have no context, no idea of the equipment, or your end goal, or what you have checked so far.

I've seen it at boot and checked with dmesg| grep "at24"

Motherboard: Z97S SLI Krait Edition (MS-7922)
Processor: Intel(R) Core(TM) i5-4690K CPU @ 3.50GHz
Memory: 16309MB
Machine Type: Desktop
Operating System: Debian GNU/Linux Sid
Resolution: 1920x1080 pixels
OpenGL Renderer : NVIDIA GeForce GTX 960/PCIe/SSE2
X11 Vendor: The X.Org Foundation
Kernel: Linux 6.6.13-amd64 (x86_64)
C Library: GNU C Library / (Debian GLIBC 2.37-15) 2.37

My end goal is to check any errors and correct them

Now tell us the rest. We have no context, no idea of your end goal, or what you have checked so far. You have listed the equipment. I gather this is a pc. What are the symptoms?

From the sound of the error, something is missing a supply voltage.