Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8b64c27b8969852f8d314ea6909bb1ea777c30367f64099dbb74fb2dd1c04165:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^