Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ef931ff57a1c8b4e296c9933f65223f9ca364d72bd853572646b2fd78f2f9c7f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^