Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 591a1d92c386f3ae597e29b97dbccc41c0b6209e570e6a41e6b33d695c96dd23:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^