Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1af39a9ae59e2fed1d2f833ba8be60e0263a1490813af120b1bc9cab9a366bf1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^