Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc191ae5f3db0c52e5f9af4df6edec25c06df48430b9fd9f62c38d08683d11da:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^