Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 69f46faf8b08925e574d844c493ceb4af6805644cd2fa724b29afba03d552f14:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^