Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 751a6dfed410233ecbbdfb2eaba2817205ca80093ef34b2d79003b990d914d2a:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^