Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9838d4aa1d99d28c3aeb337220f175b10741322327bb5022dbb4f5a2c10dbefb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^