Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b6c5a48d85de3f3919dd4325b5e70c99ad36b5f7c25f2a57b218978b77874d0f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^