Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 38428c6dc012bc9ceba94a3ab508f9ad352538acec186db887588459349f995c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^