Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be671f1478df315ec5348cd06a1818578b4d189b48ab9f5e4c9a5d1f558ce1d4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^