Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 87e9dd26df95129a8d2099bd05d3c7c2970801af4d340a354b4ec5a3c5e74eab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^