King James Version
And whereas they commanded to leave the stump of the tree roots; thy kingdom shall be sure unto thee, after that thou shalt have known that the heavens do rule.English Standard Version
And as it was commanded to leave the stump of the roots of the tree, your kingdom shall be confirmed for you from the time that you know that Heaven rules.New International Version
The command to leave the stump of the tree with its roots means that your kingdom will be restored to you when you acknowledge that Heaven rules.