Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ed7b306fa0fec7f88ace690bed06910c2a616aca8c76bfc2015499fad75bc8ce:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^