Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bb9656b1bea1e9bc592b1b9e96b0ed0759578d645fe9d62e4f8b26db64976e45:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^