pkg_add -u

Hello

i did an upgrade from 7.1 to 7.2, everything went well, but, i did an
upgrade from 7.2 to 7.3 and then i got this message:

ListUtil.c: loadable library and perl binaries are mismatched (got first
handshake key 0xec00000, needed 0xeb80000)

The procedure for both upgrades was:

# sysupgrade
# syspatch
# pkg_add -u

What is wrong, and how to repair it please?

Thanks.