Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2ac59104b7df2dd5b9845dfcdf9567a0b13473b46312df3821c652beffde9d01:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^