Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a79cfe0d2f3e8e0408715bda80d3d17f11c9a54811982795256e3f1f2a0f7abb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^