Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 81c4dbb1b6f3d857987bd3a8ce3c9c137590a5e321a8c733d4a09286d9b2018d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^