Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0803c1df95e936446955da5cc1f7e5e2f769e2a22d9ce6ccbcd6a92216628080:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^