Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dc7a0f082d9ef9e9d0cb369df64c75dd1cd5abe7670af11face014807fe9ee0b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^