Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7a231d44f5d8cae169fc2f32c6865d885b60fa5b95b822502c0870d716bb3a66:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^