Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6968c13ae31fa1eff57baa37a89e5040fac9a8b29483396d7a83ab71d0cec836:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^