Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9f068fca8545e441797cc947be2b3b837b0aa7b4a0e8b20a1da2a871c5090c01:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^