Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6b12f0fcbc33f6504d8b3b92a98588948d75e3738d5c645d743ae3f2dcfb898f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^