Option 'serial' in section 'mcu' must be specified

Just restarted my vcore, and got this message. how do i fix this?
No description
3 Replies
someaction
someaction8mo ago
and this is what my printer.cfg looks like. did i just lost my printer.cfg?
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conventional-tan
conventional-tan8mo ago
Sure looks like it. Of course you made a backup, right? RIGHT? You may be lucky in that Klipper also makes backups when changing stuff in the config, check the config folder
someaction
someaction8mo ago
well now im not so happy.. i just changed my mac and didnt make a back up after that... and theres no backup in the config folder...