Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e944db44f0dded8133f79147d6d8827cfe8db9e22ce6ca1fe77c6266d3940f67:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^