Unable to Upgrade Pfsense

[dtatay]

Hi all;

I am experiencing an error while trying to upgrade Pfsense 2.3.2 to 2.3.3_1.

[2.3.2-RELEASE] pfSense-upgrade -d

Updating repositories metadata…

Updating pfSense-core repository catalogue...

pfSense-core repository is up-to-date.

Updating pfSense repository catalogue...

pfSense repository is up-to-date.

All repositories are up-to-date.

Upgrading pkg...

Updating pfSense-core repository catalogue...

pfSense-core repository is up-to-date.

Updating pfSense repository catalogue...

pfSense repository is up-to-date.

All repositories are up-to-date.

New version of pkg detected; it needs to be installed first.

Checking integrity... done (0 conflicting)

The following 1 package(s) will be affected (of 0 checked):

Installed packages to be UPGRADED:
        pkg: 1.8.7_1 -> 1.9.4_1 [pfSense]

Number of packages to be upgraded: 1 [1/1] Upgrading pkg from 1.8.7_1
to 1.9.4_1…

pkg: sqlite error while executing INSERT OR REPLACE INTO packages(
origin, name, version, comment, desc, message, arch, maintainer, www,
prefix, flatsize, automatic, licenselogic, mtree_id, time,
manifestdigest, dep_formula, vital)VALUES( ?1, ?2, ?3, ?4, ?5, ?6, ?7,
?8, ?9, ?10, ?11, ?12, ?13, (SELECT id FROM mtree WHERE content =
?14), NOW(), ?15, ?16, ?17 ) in file pkgdb.c:1651: database disk image
is malformed

Anyone knows how to resolve this issue without lost the pfsense config?
I would appreciate any help.
Thanks in advance.

Regards.