Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 90abc3f0037b481f70f3e83001cd1057df41ecb561f6a806faa9f98d4a8a2175:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^