Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18a9abe62159b8794361f9f125ddeb8544add60b98292505a38f4a5f2a0624b0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^