Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f634257954712eca47fd602a13dd22586e706345a0dabfed18ab06007221876e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^