Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 990c4f2c1872999b7749042717cfcc0ae5dab998cd9ebfe0112ca230ed7fbd7d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^