Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d9d07ae5f4bbf7364895c8621b039fe0b6500d2c0c20fb80d87d8b76ced181bf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^