Pool 'boot-pool' has encountered an uncorrectable I/O failure and has been suspended

Hello everybody

i wanted to add an 2,5Gbe M2 adapter to my Thinkcentre m920q but now everytime i boot this error is coming can someone Help :slight_smile:
Pool ‘boot-pool’ has encountered an uncorrectable I/O failure and has been suspended.

Thinkcentre M920Q
Truenas Scale 24.10.1

without the M2 Adapter everything works normal

Thank you Sebastian