Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b10b0614bcd053d600b54f4c7dcc6850196058c583df2fa0e7558ca4cf9877e3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^