Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d6867733bd4321f2e7ac9b7ea399663afadf5d42e2d3748b261672df82a30d4b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^