Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 01e1f2d3de314da1f46c00367c7284221a0107a73cbfe23c219a8b6b61e02d07:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^