Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 012fe2a6929a80f1cc1d612e4c66849821744e7da8bd960d32243ebbc730fa9c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^