Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> eac72fa37443d773e0073cde293ae8df6a04f9ad8c40b26dc9d43d87b73c9e9b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^