Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6ef2696b31d90a7fad46ba25f17e847dd3fe34cff56dd2cbacb9d0f295d41905:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^