Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a3cfdb70eca61e6bc56abcd97b583d47ecfb8980b409be465e131cc5121a542e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^