Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8016d537ce365ac3c0decc41c2e2958a77beca16948db7982d4c7d8e6f83ed0f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^