Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80171cf49890e6120e8301d691e248abf1d5db75ee44d7fdd4f5d8ed21621cbf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^