Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e668f8d79f968917cb04e79f34a60ac76d10a69e3f5efc02f5a4c152cede7bc3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^