Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ddc9404bd0f7292aa05edb4d90907ceb1d251aa078d1e3ba3ae4d16df2eb9886:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^