Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2eeb4e513af582f510b35f89e0905d9aa5b8a4d91d6e7f56dd1bac2b2d341890:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^