Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> da0c9790738c1343f2fda1888bef9abe1668cae05ce68fc0c9d53dbc5ce6840d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^