Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 387c2011568f8b02202b0cb5897d012100b52a18010ac5e0bfaaaf0adcaf3bde:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^