Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f3e6ea946b26337d4918b3aa4105edf965869710b57fa815b13eef064de1ed9c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^