Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c9a4c1c1289d4fdbbd13eb821d82d74dbfeb99661cda874028e7a686a045188a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^