Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 09ab9c7a6ab97517d5292613d9995f319e63e45fd9407adb4dbba74d7be5ccbf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^