Grub symbol 'grub_calloc' not found

Hello, i get the above error after updating and reinstalling grub using a /boot/efi partition following the official manjaro uefi instructions. My mobo uses hybrid uefi bios meaning it is bios based but uses an uefi loader on top of the legacy bios.

Related bugs:

I figured it out. My mobo can only boot from esp/boot/efi/EFI/boot/bootx64.efi instead of esp/boot/efi/EFI/manjaro/grubx64.efi so i just copied grubx64.efi to esp/boot/efi/EFI/boot/ and renamed it as
bootx64.efi.After that my pc was able to boot and use the updated grub but i couldnt get the grub-menu to be visible at boot no matter what, so i got fed up with grub, removed and deleted all grub files from root&esp and installed refind with:

refind-install --usedefault /dev/sda1

where sda1 is my esp partition

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