Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4d1581026b2d81df4e8a931fce9aeea3a9a64d31c2b45799383756a97eb78a2f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^