Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4163b6aa18d6751720dbe77b3cf506c02d8e4ee2c87e809a6c2114ce0bb68138:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^