Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a48e1b0a82a1e21b85bb5f1f909b6951a93faf1b61ebe34aea38dea65e5c918f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^