Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 990f3eefb919ce9aa8ad09cd4edb7993739c1265a97f31b8e7d70e675febb8db:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^