Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 020c72413b98675fe9f41f65eb7fdcaabc134979911da9159153cf9810763bc8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^