Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e47310d36055c324ba0a4719ba2d10ab6c2ab4f2de970acc4f53dcad5b0682b5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^