Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e21fe11d7b0fca3c05ec1fd4c74fd52e0da9ef616485a4f7f24a516ccb6753cc:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^