The api-version child element of manifest element is obligatory
Change-Id: I0dbad497f03f06572965b99779345a825075ccaf
<?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns="http://tizen.org/ns/packages" package="org.tizen.isf-kbd-mode-changer" version="0.0.1-1" install-location="internal-only">
+<manifest xmlns="http://tizen.org/ns/packages" api-version="2.3" package="org.tizen.isf-kbd-mode-changer" version="0.0.1-1" install-location="internal-only">
<label>isf-kbd-mode-changer</label>
<author email="jihoon48.kim@samsung.com" href="www.samsung.com">Jihoon Kim</author>
<description>isf-kbd-mode-changer</description>