Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b61af6ebde91cd8f64aa295ef1eaab47c364f77959b38fc854b30ffa5b24cdaf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^