Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e70b21b94ce8be1e929abe6f11031546b95789ea2c72a6d2ffda72bfea5535e1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^