Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 659d89b6a59070f019c9cc78fd10658437cdd8802308a772614587368333733d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^