Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> febe2f1843fe66482a75960aacf083ebfa652e87682c188f4f9530e0bdeb7f00:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^