Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 640ae9fcc1216dad1e5dbea71a291c79395752be673bbe998a15dbb47441509e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^