Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 197121e92369ba81e025ce6a637c33f61bd4c89460132742200f0af5e4e5f60e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^