MySQL Error MY-011537 – ER_GRP_RPL_SLAVE_IO_THD_PRIMARY_UNKNOWN

MySQL Error Message

Can’t start slave IO THREAD of channel ‘%s’ when group
replication is running with single-primary mode and the primary
member is not known.

Reason for the Error

ER_GRP_RPL_SLAVE_IO_THD_PRIMARY_UNKNOWN
was added in 8.0.11, removed after 8.0.32.