Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4b55762b918905f042780823f1630b9c6c7e877abe7eb1a46bc70bd77e1bdc98:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^