Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3aa52b1a23f10114b589bd8b4e1ce78e971cd3f851c4b92f74601dfff197d20c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^