Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 59d847598dd259005ec7eafc4a50e15ae033f242d935d583d6cd3f37ddbfd963:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^