Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 21e36c932a67871df0ea211b598f8bc6c0a6908135226466b7d239e4d1ce680a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^