Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 85c5d1ed25931625e9cf0071d5054899f5d9f285e6f276cb632ef43ce4889a6c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^