Hardware error from APEI Generic Hardware Error Source (ECC RAM)

-none
[58306.633900] {1}[Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 1
[58306.633905] {1}[Hardware Error]: It has been corrected by h/w and requires no further action
[58306.633907] {1}[Hardware Error]: event severity: corrected
[58306.633909] {1}[Hardware Error]:  Error 0, type: corrected
[58306.633911] {1}[Hardware Error]:  fru_text: CorrectedErr
[58306.633912] {1}[Hardware Error]:   section_type: memory error
[58306.633914] {1}[Hardware Error]:   node: 0 device: 44696
[58306.633916] {1}[Hardware Error]:   error_type: 2, single-bit ECC

This has appeared on my Debian Xeon server with **ECC RAM**, does it mean the RAM modules are dying or something else like an error caused by SW for example? I saw some other post claiming his OS rebooted, while mine didn't, which is why I am asking. Thank you.