Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4a874aaa5da01c56f19b4d3bb5ac771a89a25ec4fbcdbe7ca2efed35f1376f9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^