I just did a fresh install on an PI5 8GB with a Kingston 250GB SNV2S and a Argon ONE NVME Case. I got 3 times the same device. After fresh install it boots perfect into HA after the first reboot via HA everything is fine, but always after the second reboot I get this:
Hey, thank u for the fast response. I do not understand why it works the frist time and also after excatly 1 reboot, always fails after the second reboot. This problem is driving me crazy. I did uses an SSD that is compatible and also did what argon said: