Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 004371ef429bc705f902926d45faf6812b155e894abf7c80e0a3c1d226292ce5:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^