Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7ccf97f25c0305cc08adfcc38453d6672d95b2218ccf1e5d8285c0ca5645c975:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^