Backup restore error for 3.0 backup

I am having 6node cluster backup of 3.0 version and I wan to restore to 2node cluser of version 3.0 also i want to restore it to 2node cluster of 4.0 version:

  1. While restoring to 2node cluster of 4.0 version I am getting below error:

Exception reading backup file:no such column conf_res

  1. While restoring to 2node cluster of 3.0 version I am getting below error:

Error: exception reading backup file: listindex out of range (even after using -x rehash=1)