Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 86b712a06f0d1f02f1d1dd4050f9ec0c2b83873260a0314e931fa3be3a3f030d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^