Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a181b041e6785ba4896f3bb8847703cd1cd8c82e243d3f8211f1fbda80712684:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^