Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c07b9723cb6bb531a917bc2c55376ab588398db0b5cde199a171bdabf5d72a4d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^