Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 057d62c9184e22993671dcb625bfe8f32d9ccc348a99cfe33270a4d040fa7215:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^