Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 85aaebd7aa9ddd043b424a0380941a23c31ded2a537f88eeeb8c2503a6653c2b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^