Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3e126e506dda76c79001b06a62f06648e27f4fe3cd4cd5a003837ca254dbe180:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^