Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 010428a857729a2710974487e59f4ba6f31d9d18479c8e1c7c68b9922629937c:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^