Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bb7790a537332b1ba5da9052eeaa97cc6ede85f5791e8c3dc1d3867199fa0896:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^