Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1cc6ff837ba9aa9cc01f4a8cca29daca6c8faf17bd113602687b535f31bde59e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^