Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b9807e009b82b6dbe39b2fd15efe06d2aca786c8acd622d3d664d177450369e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^