Boot loop: "bad initiator with self 0x0"

BPI-M5/BPI-M2 Pro/BPI-M2S/BPI-CM4/BPI-CM5
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Using 2021-06-21-ubuntu-20.04-server-bpi-m5-m2pro-aarch64-sd-emmc.img unmodified.

What does this error message mean and what can I do about it ?

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