Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d6804640e90a66269cca86c6dd0c20e9af93104207dbafd7cc16782dbec8eb3e:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^