Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6662ac1adc0da44518851dd60839805dfde6d2c31cbf464690db7812ec20ebd9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^