Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be64c720eff3648f53ea0a5101bc0469d689b022afdef96fad8d74354a0f33ab:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^