Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6ccacf95bf28a41eb1066063cc78126a9770bd44dab26ba60e1ff0b75858a9c1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^