Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3228cf137e66ec8c97d4ba205cbc8c1e5a4d5a77a936bc69c43a385959aa7420:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^