Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 003a43a93aad679f13406d36cd39b693a88285f4968ec25d1bcadf3de3201dcb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^