Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 771a2bf9777c277990ddcaecc190b3df78214d20c60b3076b77b7ccd5d32ff99:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^