Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 69931d91cc575ace90db49d730e017ec3fabb2b3aa2b49b35880f34f5b79d136:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^