Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f9f51043549df1820aaed77e05a59161507961dcdeae43bb537fd57cab7887ac:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^