Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 13d15939f31c023c7cbcfa574489840dd10486bf36479cc3d89f0dc681973e71:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^