Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a363b3c403994b3d9f2da6bbbde8c5cc94a7b00b0ef856bc544d8bcaac7cbb23:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^