Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 428e0617172a85ae148ce23e7dcce106e5a1bc7baf7cda5f296d3239e193de4d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^