Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a364eae6a70b2be659e4d8729b3fdf907371fd8726f24e027ff1c8bb86b2bc38:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^