Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1d611f83ac41bf34b6586c8318e4c83e5cbb647b9878af6e7639eabe53346b86:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^