Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1fdc7dba0219ab6b25b7cbc8d0ca275d578f61570e327c461decc2ec91ffefbc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^