Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 702a85eff75587556d6b13081d094c4c1d5e1c85aad1d03f3c0f0ba9db765198:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^