Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e384bd6a6de8e1b5a5f5dd016a778de4b44a4c651147a6bbf053085a57f6ce01:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^