This is what I see as well. The saddest thing is that a few days ago, on the same machine, the DS 1621 was working fine... Then I inadvertently damaged the USB drive with the bootloader. Now, when trying to restore my system, I get the following:
Actually interested in the following:
1. What is this line 23281 ?
2. Why does it say " DTB-extension not loaded " when it is loaded from the repository?
3. Is it somehow possible to fix it yourself? If "yes", please tell me step by step.