Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 36acaedb3ce32aa16cd2fd9cd66289d6553cab3e443f8dc9ad2666684cb81aeb:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^