Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80dbc5ab88831055bf8eeec4057a2bf4b287855806da24fa6ce0cf081d757d77:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^