Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a85b69bb65ae2f5d004d308c029c3c2069f36cd3f1307540f7bafad1cca5de12:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^