Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cac7804d6f484a4e6ced755e0838b32e8b3d48a8dff0d5082ed5420d3f63e2f2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^