Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ff19ed4a6843407ca030a3471f64480e61e91a5a3511a1bded2a85c8879b5f64:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^