Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3fb8529b3c862712e9f235b96b40ed7766b097a92350726bb75b3a6b14879209:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^