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Hey folks! I am incredibly new to Circuit Lab. I've put together a circuit that I currently physically have working in front of me, but when I try and simulate the model in Circuit Lab I am getting this error:

Error Building Graph: Non-finite value

I am quite new to guitar effects pedals, and it's not impossible that I've done something technically 'incorrect' with the circuitry, or more likely something unnecessary, however, it is in front of me, making a cool distorted noises just as I planned and now I'm scared to take it off the breadboard and have no record of it / be able to build it later.

You can find the circuit here:

https://www.circuitlab.com/circuit/rqzbdg4ed4aq/nic-bueth-fuzz-pedal-mki/

Any thoughts or ideas on what the problem might be?

Many thanks, Nic