Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4d1bc0cc167798f412c6eac353a5c9d1c224a553e7513d74c4c006e8ad46d09a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^