Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 71e0d66b7b70618c87397b3a5c3c22b74781045cb221a8143dc31b6f19bb5ca6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^