Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 287bad3d4f00044181610c5dc560e2645a486c05fdd0cf6cc4d60728edf9d2db:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^