Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b4e3f890b4c06eadb11fc540b5874a24f7dfb732d9b968a2a637fba8b75ace07:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^