Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3ffd1c90862efbf2e6fc4a04c03fd0d89736e787e881fc759df51b7081a49cab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^