I did a database upgrade today from 1.3.9b to 1.3.9e and got the following message back:

SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot insert configuration_key "SHOW_SPLIT_TAX_CHECKOUT" because it already exists
SKIPPED: Cannot add index idx_prod_id_orders_id_zen to table orders_products because it already exists.
SKIPPED: Cannot add index idx_cust_id_orders_id_zen to table orders because it already exists.
SKIPPED: Cannot add index idx_cust_id_orders_id_zen to table orders because it already exists.
SKIPPED: Cannot add index idx_cust_id_orders_id_zen to table orders because it already exists.
SKIPPED: Cannot add index idx_cust_id_orders_id_zen to table orders because it already exists.
SKIPPED: Cannot add index idx_cust_id_orders_id_zen to table orders because it already exists.
SKIPPED: Cannot add index idx_cust_id_orders_id_zen to table orders because it already exists.
It also came up with: Could not rename all tables more info...
I am using the prefix zen_ but left the rename prefix blank.

Are these likely to cause any issues