Can connect only via IP

I've disk copied my SD card onto another one because i was getting some datal errors during long prints.
now i can connect to my printer only via IP and not with the name, and my octoeverywhere doesn.t work anymore...
don't know what to do, does anyone have any clue?
Solution
Your kernel log is full of

Jan 4 10:52:36 RatOS kernel: [64610.454374] EXT4-fs error (device mmcblk0p2): ext4_find_extent:936: inode #50870: comm Xorg: pblk 545936 bad header/extent: invalid magic - magic 5, entries 0, max 11096(0), depth 16368(0)
Jan 4 10:52:53 RatOS kernel: [64627.693593] EXT4-fs error (device mmcblk0p2): ext4_find_extent:936: inode #50870: comm Xorg: pblk 545936 bad header/extent: invalid magic - magic 5, entries 0, max 11096(0), depth 16368(0)
Jan 4 10:53:10 RatOS kernel: [64644.959516] EXT4-fs error (device mmcblk0p2): ext4_find_extent:936: inode #50870: comm Xorg: pblk 545936 bad header/extent: invalid magic - magic 5, entries 0, max 11096(0), depth 16368(0)
Jan 4 10:53:28 RatOS kernel: [64662.186782] EXT4-fs error (device mmcblk0p2): ext4_find_extent:936: inode #50870: comm Xorg: pblk 545936 bad header/extent: invalid magic - magic 5, entries 0, max 11096(0), depth 16368(0)
Jan 4 10:53:45 RatOS kernel: [64679.420323] EXT4-fs error (device mmcblk0p2): ext4_find_extent:936: inode #50870: comm Xorg: pblk 545936 bad header/extent: invalid magic - magic 5, entries 0, max 11096(0), depth 16368(0)
Jan 4 10:54:02 RatOS kernel: [64696.688751] EXT4-fs error (device mmcblk0p2): ext4_find_extent:936: inode #50870: comm Xorg: pblk 545936 bad header/extent: invalid magic - magic 5, entries 0, max 11096(0), depth 16368(0)

The filesystem is corrupted. Duplicating broken data just gets you broken data.
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