Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 91caa1fec4f88c30c6beede31284aed5cd7f52962aea3b2c4c3563f380f0593c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^