Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b474981b2c229de60ce359012f670e022af295084c8d95f14756787cee8ed198:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^