Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ab9ffa9cbe37f691d44d75748da3d484c6f6279e4dd356122cdfea818daadfd9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^