Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7a6744dbd7805c920097f6b0e2a1819498809d9d0ea30a855b45165839e87eab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^