Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 30ba9dfffad90862e1bf848328d9081e8ce5584541f1cd75012f3248462ca3bf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^