Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20a7a8947e89445473aa4a54bbebfa5cc935234598d45f6abb5aeb5ec1ebc27c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^