Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 54558049fb688c0c28920713301a0400de26eedd9a330427d0d7fd493b730aee:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^