Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7d9be4c33b6bd1b23ec3d0775eac640793e43f1432db28da9eca959bbcd07cb0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^