Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0681a1b44a8893fae21dce4ffd9cc620161cc8ae8b76a3be50355eadb8a7de2c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^