Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80936f6c01d3bc65774698f524ed5acd7146cd7df4198ffa1e7f29513d0b92cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^