Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1155e4dd1d2618dfebc1561a9f1743bfbdad9eb76dcc3e0f316646b354b043b0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^