Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 12d1cc1dc7d2a4553b329d0f3fac9db8e285575645596048e3c9710388e0f720:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^