Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ae9447b5f2348f6f42f945cc7f98c89de51591118d6751a7f0030e6dc6739c92:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^