GDisk shows strange MBR/GBT partition error…

$ sudo gdisk /dev/disk/by-id/usb-[…]:0
GPT fdisk (gdisk) version 1.0.7

Partition table scan:
  MBR: MBR only
  BSD: not present
  APM: not present
  GPT: not present

Found invalid GPT and valid MBR; converting MBR to GPT format
typing 'q' if you don't want to convert your MBR partitions
to GPT format!

Exact type match not found for type code E800; assigning type code for
'Linux filesystem'

Command (? for help): 
$ sudo parted /dev/sdd unit s print
Model: […] (scsi)
Disk /dev/sdd: 976754646s
Sector size (logical/physical): 4096B/4096B
Partition Table: msdos
Disk Flags: 

Number  Start  End         Size        Type     File system  Flags
 1      32s    976752639s  976752608s  primary               boot
$ sudo fdisk -l -u /dev/sdd
Disk /dev/sdd: 3.64 TiB, 4000787030016 bytes, 976754646 sectors
Disk model: External USB 3.0
Units: sectors of 1 * 4096 = 4096 bytes
Sector size (logical/physical): 4096 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 33550336 bytes
Disklabel type: dos
Disk identifier: 0xb4bb6997

Device     Boot Start       End   Sectors  Size Id Type
/dev/sdd1  *       32 976752639 976752608  3.6T e8 unknown

Ok I‘m stupid, it’s of course partitioned as MBR and not as GBT, that’s why it’s showing that…

I should use fdisk and it works…

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