Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fedaaa2d54eccdfb897c04b9fbbf68eaec6f57015ff1940449f507912d230df0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^