Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3cfe360ed841719fa5c3b208cf2354f8b3be3a5077290e08ab71f9d47f3d113e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^