Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b2f5a166276dff39bd5fb5f4317fab65f7c81e00b1fe34e0447338b43470025:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^