Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 437d1106d191b523833c3f7f2ad5dc64dd5797c8b0b38925a7599ebcfe206a9e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^