Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8ab37a634f427618512b9147016f315fcd5e3050945eafa8bf9ddcb4ab961fc9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^