Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fac00212b6de46f68e31a181f1f390c0352b305cd52d43943ba3f1a201c59147:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^