Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ba8063f35816f7b5903a9fdc661ce8c5fba18450dc3086d49c5e23e7aaef9163:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^