Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7be6154f58b9a07aa5dc25caa79f8c60b0d7e6d813849a087eb6e440ab40cffc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^