Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 50e4650e76df6f174eff6cda9f37a42d796374c6ed5909826858493fbfaffd15:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^