Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d177552fdc7475f0a20f0c3735da47a6e44d34c9e8cf8110d485fed57045de78:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^