Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a02a511b6b6a41c354a106bc91b33a59031977154ce3d8a689f9deae216a087d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^