Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 26aa65ed5a07b140151a58644ae5a529f8c020d66d6cb2afc2e52400c569cbe9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^