Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7eb68fb764f24d499f8a908d55f676266d1f9faa06e0c7733a2b0aaadac40b19:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^