Rodgers' side have gained simply two times since the give up of October.
The Foxes lost 2-1 at Aston Villa on Sunday after conceding from a 2nd-half nook as they did not win for the 6th time in eight video games given that prevailing at Brentford on October 24.
"Defending set-portions, it's definitely beginning to hurt us. It starts to sap our self assurance while you concede the dreams we have been conceding. That's a massive issue," Rodgers informed the BBC.
"The tale for us is we are able to play well but we should reduce out errors. Even if we've gained games these days we have made some mistakes. It's a worry for us. But we're going to find a answer," he brought.
Napoli, who misplaced top spot in Serie A at the weekend for the first time seeing that late September, want to fit Spartak Moscow's result at Legia Warsaw due to their superior aim difference, to claim a knock-out spot.
Luciano Spalletti's team have been also overwhelmed at the weekend, losing three-2 to Atalanta, as AC Milan moved into the top spot.
Spalletti might be without up to 8 players via damage for healthy in opposition to Leicester at the Diego Armando Maradona Stadium.
One nice for the home side is the predicted go back of Greece worldwide centre-lower back Kostas Manolas who lower back to education on Tuesday.
Spalletti backed his outfit to compete in spite of the lengthy list of absentees.
"This is a reputable crew to be able to permit us to live within the group of the top groups, till we get every person returned and then we'll be capable of rotate more, but this crew as it stands has nevertheless sufficient to stay wherein we are," Spalletti said.