Brendan Rodgers has revealed he doesn't know whether the exit from the Champions League will have a knock-on impact on Celtic's transfer spending power.
The Parkhead boss made the admission after Celtic crashed out of the play-off round on penalties to Kazakh side Kairat Almaty after a second goalless draw.
Luke McCowan, Adam Idah and Daizen Maeda missed from the spot for Celtic as they lost 3-2 in the shoot-out.
Rodgers was quizzed on whether the exit from the elite UEFA competition could change the transfer business for Celtic before the end of the window.
But the Celtic boss admitted he has no indication of the implications of the result.
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Quizzed on whether the loss could impact transfer business, Rodgers said: "I haven't a clue, I really don't know."
Earlier, asked about the lack of business ahead of the crucial Champions League qualifying match, Rodgers said: “I always think that investment is great, but it has to be a timely investment.
"It has to be at the right time.
"I think at this moment in time, we can still have a very good season.
"The Europa League, some will say, we deserve to be in that this year."
When asked if it felt like a self-inflicted blow because key players had not been replaced, Rodgers said: “It’s very frustrating. We all know where we want to get to. We showed last year, the strides that I felt we took. But you have to build on that.
“The last thing you want to do in football is manufacture your own stress. That’s what you don’t want to be doing.
“But all we can do now is look at where we’re at as a football club and decide what way we want to go.
“But we can still have a very good season.
“We’ll see what the remaining days in the window bring, and then we’ve got a really big game at the weekend (against Rangers).”