Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 86abb385fa3f1546c353a1d7fe9880e75aaccdb33c8f83cf71fb84e3e029fa37:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^