Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9b642924a0f54a95fc0f9e5fef7e9c3e0260201f557961b730cf368975b0f4db:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^