Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 63ce12f21b9ad3513944ff216f31f2078f2abb3a19880f3a037b1d14b0939fa8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^