Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 854f7aaa133e367e6ad3ec5a664e16c90b7638cfb1472bb1bcad00041a704edd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^