Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1661a8ae1bba38c18225cf56f625a0113bce4cbae87d0b4c8d935bbae174359d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^