Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ddc596ca15f7736b1da88c656821de01c378499543c0be3a837d66221da49630:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^