Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3f86fb9480337f306c1c3a41f88f7bea185386859a2aa277a4ed00c2502bf877:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^