Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e134708417207c6256f7a2a6a77977a374cf2bb2da2d1a6413222f39156553d9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^