Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 90e7b8d5d56127f3b11739aaf49d3dcd1eab4ffc9ac7b80880407dfcd8609c08:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^