Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f2c8de6e3c307701e137df326a86d2d5c9d3d9144676d68cd2fdc91160343ea5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^