Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 72f9369031599d4dbb9c38b6900fb57466ccbf3bc32d649c51d7f9dfe7c712de:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^