How to Fix FAILED status read failed Too many links

Pixel 4a Android 11 Sunfish custom build no valid slot to boot error fastboot_ error_ failed to identify current slot 的权限➜ sudo chown root:root homeandroid_11_source_repooutsoonghostlinux-x86b_fastboot: error: failed to identify current slot fastboot_ error_ failed to identify current slot Read-only The current status of the FRU object in the slot fruObjectNum 5 - Error status 6

fastboot get active slot ERROR: Failed to pass validation, backup to fastboot boot up failed er) current-slot: er) slot-suffixes: _a er) slot-count: 1 er