Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa1dc813b22448b44ca71ca860ad3130ede49ef207b0c5c95f8ee500384e021b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^