Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a28b8cb70abc5ae386659d1548796627835c14bc90d1e3eb8465f7330149183a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^