Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b8e431486cef1555041341a0bfbd9142adc431d1b7912f1b37c7a1334de9a0b1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^