Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f8dace485b3d54186935a6e22b74681e676832da44c75b55d54f8dc4e6bb4bac:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^