Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 372e3b6394efbb5221f311260f1ab9f6418c86b4c52f06e865212b0f3eb4ab50:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^