Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a83353e33be66745d0af3697263d94418b87ad3d9b26729d30440c680feeb8bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^