Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 800f0c2d1b456eb00d3eb003b095d59f4c491bc647b0f28166e18a5b33dfaaeb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^