Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec9a9866c558822ab1c753ab6d44cc2b88532685f41ab6d798fc224ed13c1cac:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^