Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a7c54fc48d50ba12758ec0858445918a68aef23c573e59ea03dd46bcb1e5c93e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^