Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 928f297de0f78f60cc37c860db6f1af1e2b5e67bfc11857619c83293cb3b70bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^