Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 13141532827b534fad895bc0728a1ca3ba450e6f41a7f85591bbe1ca47a0724e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^