Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6438311a1f6bddb965b96f36bbd4a85f2c02afb565c73164e72fe0c5ec6bd78b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^