Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0159ca9d22113daa0e88d629ffbe007a16ecd8a5477f764885a49d2eb66b9824:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^