Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c67a28f8b5a31a426364c1da3bbd21e06b51924d78b61f95ac81aa8186359cb6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^