Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5c835a343deb8f4aa3048767d8e95cb1978cd90839c2a13ccd159109693c8380:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^