Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1502c2f3e8d57767d8d86d43a1d47f7a8683acbc53f827fb9688a0c6cca5b833:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^