Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 170185683068e91d08641d81b85afc6a04fc4e57fec6fbfed9ec14b5da87ba1b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^