Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f3844cece6ae43e2e978bc4ac1d6edc161f990e46c48db0001a513a0c50a6bba:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^