Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cb11ddd28f71449163bc8b3f510f8d1978daf872422b7ff4d742dfc1031bf61a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^