Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 438f39fee0dc63f65bb43593ec637d2479daab9c782934de26750e05175f2e3a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^