"This means that either our partners do not have such coordinates, or that they for some reason do not want us to hit these targets. The reason for this remains unclear to us," Kartapolov said, cited by RIA Novosti.
The officer also noted that Russia has repeatedly been forced to cancel planned strikes on militants after finding them hiding among the civilian population.
Nonetheless, the officer complained, Russia's armed forces continue to face groundless accusations of carrying out strikes against civilian targets and mosques.
"I declare with complete responsibility that we are not looking at any objects in civilian settlements as possible targets," the officer emphasized.
"#Kartapolov: I declare with complete responsibility that we are not looking at any objects in civilian settlements as possible targets."
Late last month, Russia began a campaign of airstrikes against ISIL positions in Syria following Syrian President Bashar Assad's request for military assistance.
On Wednesday, ships from the Russian Caspian Sea Fleet launched cruise-missile attacks on targets in northern Syria.