Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 853982692d74c187c856915606f5f1986b16efb4920a9389c3456078c62cda73:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^