Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f71375b36102e8d4f907c56d4c7e79bbed18d52c2bfa30b7085c06a08803337:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^