Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 641474bc09ade1450bd5f93b2e84845632d3bdc5cc7e9d45c4e65412520bb39e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^