Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0580565c12c2bb9fe44152c2bb5a07628de2b13ed492771dd7ae4b78e159e4ed:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^