Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f5ddd303de2a406e8d123dc9639b01b0a6f2e5d9ba658ce274befb445ccca74b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^