Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 71913c87cbffaa41739d615cd357ef9d3af4dc4a535db7f7056599581a4fda72:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^