Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0701cbad043de5d3dcd1f9bdc175d1849012626915943e96baefe21095ccebbf:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^